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Number of items: 257.

2014

Tranquilli, S; Abedi-Lartey, M; Abernethy, K; Amsini, F; Asamoah, A; Balangtaa, C; Blake, S; (2014) Protected areas in tropical Africa: assessing threats and conservation activities. PLoS One , 9 (12) , Article e114154. 10.1371/journal.pone.0114154. Green open access
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2013

Pascual-Garrido, A; Umaru, B; Allon, O; Sommer, V; (2013) Apes finding ants: Predator-prey dynamics in a chimpanzee habitat in Nigeria. Am J Primatol , 75 (12) pp. 1231-1244. 10.1002/ajp.22187.

2012

Allon, O; Pascual-Garrido, A; Sommer, V; (2012) Army ant defensive behaviour and chimpanzee predation success: field experiments in Nigeria. JOURNAL OF ZOOLOGY , 288 (4) pp. 237-244. 10.1111/j.1469-7998.2012.00946.x.

Pascual-Garrido, A; Buba, U; Nodza, G; Sommer, V; (2012) Obtaining raw material: plants as tool sources for Nigerian chimpanzees. Folia Primatol (Basel) , 83 (1) pp. 24-44. 10.1159/000338898.

Sommer, V; (2012) Liebt mich mein Liebling? Emotionen bei Tieren. Neue Zrcher Zeitung. Essay for "Haustiere", NZZ Folio , 250 5,42 - 45.

Sommer, V; (2012) Mann und Frau als Mnnchen und Weibchen. Sexualbiologie bei Primaten. In: Fink, H and Rosenzweig, R, (eds.) Mann, Frau, Gehirn. Geschlechterdifferenz und Neurowissenschaft. (147 - 155). Alibri: Aschaffenburg.

Sommer, V; (2012) Nur das Verschwendete bleibt. In: Erk, W, (ed.) Lobhudeleien und Kritisches. 50 Jahre Radius-Verlag. Radius: Stuttgart, Germany.

Sommer, V; (2012) Towards an Evolutionary Humanism. Ethical Record (The Proceedings of the South Place Ethical Society) 107 - 107.

Sommer, V; (2012) A short hystory of hysteria. In: Exhibition catalogue for: Catherine Anyango & Julie Hill, Crying Out Loud (1031May12). Guest Projects / Shonibar studio: London, UK.

Sommeriz, V; Buba, U; Jesus, G; Pascual-Garrido, A; (2012) TILL THE LAST DROP: HONEY GATHERING IN NIGERIAN CHIMPANZEES. ECOTROPICA , 18 (1) 55 - 63.

Vallo, P; Petrelkov, KJ; Profousov, I; Petrov, J; Pomajbkov, K; Leendertz, F; Hashimoto, C; (2012) Molecular diversity of entodiniomorphid ciliate Troglodytella abrassarti and its coevolution with chimpanzees. Am J Phys Anthropol , 148 (4) pp. 525-533. 10.1002/ajpa.22067.

2011

Adanu, J; Fowler, A; Sommer, V; (2011) Hunters, fire, cattle. Conservation challenges in eastern Nigeria, with special reference to chimpanzees. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 55-100). Springer: New York.

Do Tanzango:, ; Ogle, JV; Sommer, VAYV; (2011) Chimichurri. CD (17 tangos). Starfish: Bremen, Germany.

Fowler, A; Pascual-Garrido, A; Buba, U; Tranquilli, S; Akosim, C; Schning, C; Sommer, V; (2011) The material culture of Nigerian chimpanzees. A contribution to cultural primatology. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 451-492). Springer: New York.

Gumnior, M; Sommer, V; (2011) Multi-scale, multi-temporal vegetation mapping and assessment of ecosystem degradation at Gashaka Gumti National Park (Nigeria). Research Journal of Environmental and Earth Sciences , 4 397 - 412.

Hughes, N; Rosen, N; Gretsky, N; Sommer, V; (2011) Will the Nigeria-Cameroon chimpanzee go extinct? Models derived from intake rates of ape sanctuaries. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 493-523). Springer: New York.

Koutsioni, Y; Sommer, V; (2011) The bush as pharmacy and supermarket. Plant use by human and non-human primates at Gashaka. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 135-230). Springer: New York.

Morgan, B; Adeleke, A; Bassey, T; Bergl, R; Dunn, A; Gadsby, E; Gonder, K; (2011) Regional Action Plan for the Conservation of the Nigeria-Cameroon Chimpanzee (Pan troglodytes ellioti)./Plan daction por la conservation du chimpanz du Nigeria-Cameroun (Pan troglodytes ellioti). 1 - 48.

Nyanganji, G; Fowler, A; McNamara, A; Sommer, V; (2011) Monkeys and apes as animals and humans. Ethno-primatology in Nigeria's Taraba region. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 101-134). Springer: New York.

Pascual-Garrido, A; Allon, O; Sommer, V; (2011) Ants and apes: army ant harvesting strategies of Nigerian chimpanzees (Primate Society of Great Britain, Winter meeting "Gombe 50", London, 0809Dec10, Abstracts). Primate Eye , 103 16 - 17.

Sommer, V; (2011) Evolution paradox? Homosexueller Sex unter Tieren. Das Plateau , 126 4 - 19.

Sommer, V; (2011) Kulturnatur, Naturkultur. Argument fr einen Monismus. Zeitschrift fr Kulturphilosophie , 5 9 - 40.

Sommer, V; (2011) Luxus stiftet Frieden. Zur Evolutionsbiologie von Ritualen. Spektrum der Wissenschaft Spezial (Rituale. Was unser Leben zusammenhlt) , 1 28 - 32.

Sommer, V; (2011) [Review of: Aldo Poiani (2010). Animal Homosexuality: A Biosocial Perspective. Cambridge: Cambridge University Press]. Animal Behaviour

Sommer, V; (2011) [Review of: Elizabeth V. Lonsdorf, Stephen R. Ross & Tetsuro Matsuzawa (eds) (2010). The Mind of the Chimpanzee: Ecological and Experimental Perspectives. Chicago: University of Chicago Press]. Primates: Journal of Primatology , 52 287 - 289.

Sommer, V; (2011) Schimpanse und Bonobo gehren in die Gattung Homo. In: Grundrechte fr Menschenaffen. Schriftenreihe der Giordano-Bruno-Stiftung

Sommer, V; (2011) The anthropologist as a primatologist. Mental journeys of a fieldworker. In: MacClancy, J and Fuentes, A, (eds.) Centralizing Fieldwork. Critical perspectives from primatology and biological anthropology in the lens of social anthropology theory and practice. (pp. 32-48). Berghahn: Oxford.

Sommer, V; Bauer, J; Fowler, A; Ortmann, S; (2011) Patriarchal chimpanzees, matriarchal bonobos. Potential ecological causes of a Pan dichotomy. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 417-450). Springer: New York.

Sommer, V; Pascual-Garrido, A; Allon, O; (2011) More than nutrition? Insectivory in Nigerian chimpanzees. (12th Conference, Gesellschaft fr Primatologie, Utrecht, the Netherlands, 30Mar01Apr11. Abstracts).

Sommer, V; Ross, C; (2011) Exploring and protecting West Africa's primates. The Gashaka Primate Project in context. In: Sommer, V and Ross, C, (eds.) Primates of Gashaka. Socioecology and Conservation in Nigeria's Biodiversity Hotspot. (pp. 1-37). Springer: New York.

Sommer, V; Ross, CE; (2011) Primates of Gashaka: Socioecology and Conservation in Nigeria's Biodiversity Hotspot. [Book]. Springer: New York.

Sommer, V; Schmidt-Salomon, M; (2011) Bruder Schimpanse, Schwester Bonobo. Grundrechte fr Menschenaffen. (English: Brother Chimp, Sister Bonobo. Rights for Great Apes). Mastershausen: Giordano-Bruno-Stiftung

2010

Howarth, H; Sommer, V; Jordan, F; (2010) Visual depictions of female genitalia differ depending on source. BMJ: British Medical Journal Humanities , 36 75 - 79.

King, AJ; Narraway, C; Hodgson, L; Weatherill, A; Sommer, V; Sumner, S; (2010) Performance of human groups in social foraging: The role of communication in consensus decision-making. Biology Letters , 7 237 - 240.

MacLarnon, AM; Sommer, V; Ellis, JJ; Goffe, AS; Higham, JP; MacLarnon, PJ; Ross, C; (2010) Energetics and stress: climatic variation and glucocorticoid levels in forest-living West African baboons. (XXIII Congress, The International Primatological Society, Sep10, Kyoto, Japan, Abstracts).

Sommer, V; (2010) Evolution ernst nehmen. In: Oehler, J, (ed.) Der Mensch Evolution, Natur und Kultur. (39 - 58). Springer: Berlin, Heidelberg.

Sommer, V; (2010) How our memory creates ourselves. In: Exhibition catalogue for: Katherine Dowson, Relics of the Mind (17Sep 06Nov10). (14 - 20). GV Art: London, UK.

Sommer, V; (2010) Warum wir einen evolutionren Humanismus brauchen. GEO (Forum, October) 140 - 141.

Sommer, V; Parish, A; (2010) Living differences. The paradigm of animal cultures. In: Homo Novus A Human Without Illusions. (pp. 17-31). Springer: Heidelberg.

Sommer, V. (text), ; Hof, J. (photography), ; (2010) Menschenaffen wie wir. Portraits einer Verwandtschaft. / Apes Like Us. Portraits of a Kinship. ([Bilingual edition] ed.). EditionPanorama: Mannheim. 199 pp, 150 colour plates.

2009

Bauer, J; Ortmann, S; Barleben, H; Hohmann, G; Sommer, V; Fowler, A; Hofer, H; (2009) Comparative structural analysis of faeces from Pan paniscus and Pan troglodytes. - (Abstracts, 24-26 Feb 2009, Hannover). Meeting of the Gesellschaft fr Primatologie , 11 61-.

Higham, JP; Warren, Y; Adanu, J; Umaru, BN; MacLarnon, AM; Sommer, V; Ross, C; (2009) Living on the Edge: Life-History of Olive Baboons at Gashaka-Gumti National Park, Nigeria. AM J PRIMATOL , 71 (4) 293 - 304. 10.1002/ajp.20651.

Hughes, N; Rosen, N; Gretsky, N; Sommer, V; (2009) Extinction risk of Pan troglodytes vellerosus. Predictions based on intake rates of chimpanzee sanctuaries. - (Abstracts, 24-26 Feb 2009, Hannover). Meeting of the Gesellschaft fr Primatologie , 11 31-.

Pascual-Garrido, A; Allon, O; Schning, C; Sommer, V; (2009) Army ant consumption by Nigerian chimpanzees: Constraints of prey ecology and ape harvesting strategies (Abstracts. 2nd Iberian Primatological Conference, 0103Oct09, Madrid). Folia Primatologica , 80 402 - 402.

Sommer, V; (2009) Kein Wir-Gefhl im Pongoland. [Review of Michael Tomasello (2009). Die Ursprnge der menschlichen Kommunikation. Berlin: Suhrkamp / Insel. Original: The Origins of Human Communication. Cambridge / MA, London / UK: MIT Press]. Frankfurter Rundschau

Sommer, V; (2009) Menschen und andere Tiere. Frankfurter Rundschau

Sommer, V; (2009) Affe, Pinguin & Co. Bei Tieren ist Homosex ganz normal. Bild der Wissenschaft , 11 72 - 75.

Sommer, V; (2009) Menschenaffen wie wir. Pldoyer fr eine radikale evolutionre Anthropologie. Biologie in unserer Zeit , 39 pp. 196-204.

Sommer, V; (2009) The field workers' wild truths. [Review of: Amada Rees (2009). The Infanticide Controversy, Primatology and the Art of Field Science. Chicago: Univ. of Chicago Press]. Trends in Ecology and Evolution , 25 10 - 11.

2008

Fowler, A; Buba, U; Sommer, V; (2008) Nest-building ecology of Pan troglodytes vellerosus at Gashaka, Nigeria. - (Abstracts, 03-08 Aug 2008, Edinburgh). Congress of the International Primatological Society , 22 p. 533.

Mohnot, SM; Winkler, P; Mohnot, U; Sommer, V; Agoramoorthy, G; Rajpurohit, LS; Srivastava, A; (2008) A 30-years history of Kailana-I (K-I or B-19) bisexual troop of Hanuman langur, Semnopithecus entellus at Jodhpur (India). Primate Report , 76 pp. 55-61.

Sommer, V; (2008) Der nackte Affe in neuem Licht. Evolution und Sexualitt. In: Klose, J and Oehler, J, (eds.) Gott oder Darwin? Vernnftiges Reden ber Schpfung und Evolution. (pp. 201-208). Springer: Berlin, Heidelberg.

Sommer, V; (2008) Die Krise des Festes: Urbedrfnis nach teuren Signalen? Critique of Michael Maurer, Feste in Geschichte und Gegenwart. Erwgen - Wissen - Ethik , 19 pp. 249-251.

Sommer, V; (2008) [Review of: Susan Hurley & Matthew Nudds (2006) (eds.). Rational Animals? Oxford: Oxford University Press.]. Folia Primatologica , 79 pp. 52-53.

Sommer, V; (2008) Schimpansenland. Wildes Leben in Afrika. [Book]. C.H. Beck: Munich.

Sommer, V; (2008) Welcher Affe steckt in uns? Schimpansen oder Bonobos. Bild der Wissenschaft , 4 pp. 2-9.

2007

Fowler, A; Koutsioni, Y; Sommer, V; (2007) Leaf-swallowing in Nigerian chimpanzees: Evidence for assumed self-medication. Primates , 48 pp. 73-76.

Fowler, A; Sommer, V; (2007) Subsistence technology of nigerian chimpanzees. INT J PRIMATOL , 28 (5) 997 - 1023. 10.1007/s10764-007-9166-0.

Schning, C; Ellis, D; Fowler, A; Sommer, V; (2007) Army ant prey availability and consumption by chimpanzees at Gashaka (Nigeria). Journal of Zoology , 271 pp. 125-133.

Sommer, V; (2007) Darwinisch denken. Horizonte der Evolutionsbiologie. [Book]. Hirzel: Stuttgart.

Sommer, V; (2007) Der Affe mit der Trommel (reprint). Kontakte. Gemeinden deutscher Sprache in Nigeria , Mar-Ap pp. 8-11.

Sommer, V; (2007) Kultur in der Natur. Wie Tiere Traditionen pflegen. Das Plateau , 102 pp. 5-26.

Sommer, V; (2007) Stammesgeschichte - Wie die Lge in die Welt kam. (Thema der Woche: Lge). Die Nordelbische , 41 pp. 6-7.

Sommer, V; (2007) Warum Rituale wirken. Die natrlichen Wurzeln eines kulturellen Phnomens. In: Der Mensch - ein animal symbolicum? Sprache Dialog Ritual / Bd. 4, Topologien des Menschlichen. (pp. 41-50). Wissenschaftliche Buchgesellschaft: Darmstadt.

Sommer, V; Schradin, C; (2007) "Ach, Mnner ...." Zur Biologie der Vaterrolle. Weltwoche , 26 pp. 46-48.

2006

Hohmann, G; Fowler, A; Sommer, V; Ortmann, S; (2006) Frugivory and gregariousness of Salonga bonobos and Gashaka chimpanzees: The abundance and nutritional quality of fruit. In: Hohmann, G and Robbins, MM and Boesch, C, (eds.) Feeding Ecology in Apes and Other Primates. (pp. 123-159). Cambridge University Press: Cambridge.

Sommer, V; (2006) Against nature?! An epilogue about animal sex and the moral dimension. In: Sommer, V and Vasey, P, (eds.) Homosexual Behaviour in Animals: Evolutionary Perspectives. (pp. 365-371). Cambridge University Press: Cambridge.

Sommer, V; Fowler, A; (2006) [Review of: Julian Caldecott & Vera Miles (eds.) (2005). World Atlas of Great Apes and their Conservation. Los Angeles: University of California Press]. Environmental Conservation , 33 p. 172.

Sommer, V; Vasey, PE; (2006) Homosexual Behaviour in Animals: Evolutionary Perspectives. [Book]. Cambridge Univ. Press: Cambridge.

Vasey, P; Sommer, V; (2006) Homosexual behaviour in animals. Topics, hypotheses and research trajectories. In: Sommer, V and Vasey, P, (eds.) Homosexual Behaviour in Animals: Evolutionary Perspectives. (pp. 3-42). Cambridge University Press: Cambridge.

2005

Fowler, A; Sommer, V; (2005) Material culture in Nigerian chimpanzees: a contribution to cultural primatology. - (Abstracts, 1st Congress European Federation of Primatology, 09-12 Aug 2005, Gttingen). Primate Report , 72 pp. 34-35.

Higham, J; Ross, C; Warren, Y; MacLarnon, A; Sommer, V; Adanu, J; (2005) 4 years of rainforest baboons in Gashaka. - (Abstracts, 1. Congress European Federation of Primatology, 09-12 Aug 2005, Gttingen). Primate Report , 72 pp. 46-47.

Sommer, V; (2005) Theodizee und Genodizee. Warum ist die Welt voll Leid? In: Weingartner, P, (ed.) Das Problem des bels in der Welt. (pp. 68-91). Peter Lang: Salzburg.

Sommer, V; (2005) Warum gefllt der Pfauenmann durch bunte Augen und die Menschenfrau durch Schminke? In: Grolle, J, (ed.) Evolution. Wege des Lebens. (pp. 37-48). Deutsche Verlags-Anstalt, Dresden: Deutsches Hygiene-Museum: Munich.

Sommer, V; (2005) Wenn "Nein" keine Antwort ist. Zur Naturgeschichte der sexuellen Ntigung. Weltwoche , 11 pp. 66-67.

2004

Sommer, V; (2004) Gene einen - Vorurteile trennen. Ein Denkst?ck zum Rassismus. Das Plateau , 84 pp. 4-24.

Sommer, V; (2004) "Wir sind alle Afrikaner." Die moderne Genetik macht dem Rassekonzept den Garaus (reprint). Unitarische Bltter fr ganzheitliche Religion und Kultur , 3 pp. 109-113.

Sommer, V; Adanu, J; Faucher, I; Fowler, A; (2004) Nigerian chimpanzees (Pan troglodytes vellerosus) at Gashaka: Two years of habituation efforts. FOLIA PRIMATOL , 75 (5) 295 - 316. 10.1159/000080208.

2003

Sommer, V; (2003) Bruder Affe [Lead essay for: "Wir Affen. Der Mensch und seine Verwandten"]. Neue Zrcher Zeitung Folio , August pp. 14-18.

Sommer, V; (2003) Geistlose Affen oder ffische Geistwesen? Eine Exkursion durch die mentale Welt unserer Mitprimaten. In: Becker, A and Mehr, H and Nau, HH and Reuter, G and Stegmller, D, (eds.) Gene, Meme und Gehirne. Geist und Gesellschaft als Natur. (pp. 112-136). Suhrkamp: Frankfurt.

Sommer, V; (2003) "Stress macht eher schwul." Zu Ursachen und Funktion der Homosexualitt. Weltwoche , 5 (Mar pp. 68-69.

Sommer, V; (2003) "Wir sind alle Afrikaner." Die moderne Genetik macht dem Rassekonzept den Garaus. Weltwoche (Switzerland) , 31 (Au pp. 4-5.

Sommer, V; (2003) Wissenschaft ist Politik. Postmoderne Vorwrfe an die Evolutionsbiologie. In: Buschlinger, W and Luetge, C, (eds.) Kaltbltig. Philosophie von einem rationalen Standpunkt. (pp. 277-305). Hirzel: Stuttgart.

Sommer, V; (2003) Zwischen Kooperation und Konkurrenz. Erkenntnisse der Biologie ber naturgegebene Grenzen von Solidaritt. In: Mller, J and Reder, M, (eds.) Der Mensch vor der Herausforderung nachhaltiger Solidaritt. (pp. 1-31). W. Kohlhammer: Stuttgart.

Sommer, V; Fowler, A; Adanu, J; (2003) The Nigerian Chimpanzee (Pan troglodytes vellerosus) at Gashaka: Two years of habituation efforts. - (Abstracts, 8. Kongress, Gesellschaft fr Primatologie, 02-05 Oct 03, Leipzig). Folia Primatologica , 75 p. 1.

2002

Little, K; Sommer, V; Bruford, M; (2002) Genetics and relatedness: A test of hypotheses using wild Hanuman langurs, Presbytis entellus. - (Abstracts, 04-09 Aug 2002, Beijing). Congress of the International Primatological Society , 19 p. 1.

Little, KA; Sommer, V; (2002) Change of enclosure in langur monkeys: Implications for the evaluation of environmental enrichment. ZOO BIOL , 21 (6) 549 - 559. 10.1002/zoo.10058.

Sommer, V; (2002) Das grne All. Ein Poem aus dem Regenwald. [Book]. Radius: Stuttgart.

Sommer, V; (2002) Der "nackte Affe" in neuem Licht. Sexualbiologie von Menschen und anderen Primaten. In: Baier, WR and Wuketits, FM, (eds.) Mann und Frau. Der Mensch als geschlechtliches Wesen. (pp. 82-90). Leykam: Graz.

Sommer, V; (2002) In divine company. India's temple monkeys. BBC Wildlife , 20 pp. 50-56.

Sommer, V; (2002) [Review of: Richard Wrangham & Dale Peterson (2001), Bruder Affe. Menschenaffen und die Ursprnge menschlicher Gewalt. Munich: Hugendubel (Diederichs). - Original: Demonic Males. Apes and the Origins of Human Violence. London: Bloomsbury, 1996.]. Universitas , 667 p. 57.

Sommer, V; Denham, A; Little, K; (2002) Postconflict behaviour of wild Indian langur monkeys: avoidance of opponents but rarely affinity. ANIM BEHAV , 63 637 - 648.

Sommer, V.; (2002) Anti-predatory behaviour in gibbons (Hylobates lar, Khao Yai/Thailand). In: Miller, L.E., (ed.) Eat or be eaten: predator sensitive foraging among primates. (pp. 268-291). Cambridge University Press: Cambridge, UK.

Uhde, N; Sommer, V; (2002) Anti-Predatory Behaviour in Gibbons (Hylobates lar, Khao Yai/Thailand). In: Miller, L, (ed.) Eat or Be Eaten: Predator Sensitive Foraging Among Primates. (pp. 268-291). Cambridge University Press: Cambridge.

2001

Little, K; Sommer, V; Bruford, M; (2001) Relatedness and cooperation: A genetic and behavioural study of the wild Hanuman langur, Presbytis entellus. - (Abstracts for Poster Presentations, European Federation for Primatology Meeting, London, 27-29 Nov 2000). Primate Eye , 73 12-.

Sommer, V; (2001) The Monkey with the Drum. Inside Nigerias Primate Paradise. Nigeria Parks pp. 22-25.

Sommer, V; (2001) Odysee in der Urzeit [Stanley Kubricks Epos "2001 - Odysee im Weltraum"]. Die Welt (Literarische Welt) , 05/Jan p. 30.

Sommer, V; (2001) Schlange, Adler, Affe, & Co. Tierkult und Tierschutz im Hinduismus. In: ZDF, N, (ed.) Mensch und Tier. Geschichte einer heiklen Beziehung. (pp. 177-193). Suhrkamp: Frankfurt.

Sommer, V; (2001) Verhaltensforschung. Wissen-Schaf(f)t. Das neue Bild vom Menschen. GEOglobal , Octobe

Sommer, V; Little, K; (2001) Post-conflict behaviour of wild Indian langur monkeys: Avoidance but rarely reconciliation. - (Abstracts, 7. Kongress, Gesellschaft fr Primatologie, 30 Sep - 04 Oct 2001, Zurich). Folia Primatologica , 72 p. 84.

2000

Sommer, V; (2000) Bald sind wir allein. Die Menschenaffen sterben - ein Verwandtschaftsbesuch in Nigeria. Die Welt , 09/Sep p. 3.

Sommer, V; (2000) Brief aus Indien. In: Heilmann, FW, (ed.) Spuren in die Zukunft. Der Deutsche Akademische Austauschdienst 1925-2000. DAAD: Bonn.

Sommer, V; (2000) Destruktives Verhalten bei Tieren. ber Eigenutz und Selbstlosigkeit, ber Gut und Bse. In: Kessler, H, (ed.) Leben durch Zerstrung? ber das Leiden in der Schpfung. Ein Gesprch der Wissenschaften. (pp. 38-52). Echter: Wrzburg.

Sommer, V; (2000) Evolutionre Anthropologie. In: Mller, HA, (ed.) Der Bildung ein Haus. (p. 366). Hospitalhof: Stuttgart.

Sommer, V; (2000) [Introduction to: Gundi Scharpf (2000), Affenkinder in der Wilhelma. Erfahrungen und Erlebnisse aus vier Jahrzehnten.]. pp. 5-8.

Sommer, V; (2000) Mauer im Gutmenschenkopf. [Review of: Randy Thornhill & Craig Palmer (2000). A Natural History of Rape. Cambridge: MIT Press.]. Der Spiegel , 16 pp. 262-263.

Sommer, V; (2000) Vom Ursprung der Religion im Konfliktfeld der Geschlechter. In: Daecke, SM and Schnakenberg, J, (eds.) Gottesglaube - ein Selektionsvorteil? Religion in der Evolution. Natur - und Geisteswissenschaftler im Gesprch. (pp. 66-81). Chr. Kaiser/Gtersloher Verlagshaus: Gtersloh.

Sommer, V; (2000) Von der Natur in der Kultur. Rituale aus evolutionsbiologischer Sicht. In: Frhlich, S, (ed.) Kultur - ein interdisziplinres Kolloquium zur Begrifflichkeit. (pp. 29-40). Saale: Halle.

Sommer, V; (2000) The holy wars about infanticide. Which side are you on? And why? In: van Schaik, C and Janson, C, (eds.) Infanticide by Males and its Implications. (pp. 9-26). Cambridge University Press: Cambridge.

Sommer, V; (2000) 'The naked ape' revisited: Sexual biology of humans and other primates. In: Symposium on Sexual Biology from Fish to Humans. CRU Report: Uppsala.

Sommer, V; (2000) 'The naked ape' revisited: Sexual biology of humans and other primates. (Proceedings, Symposium on Sexual Biology from Fish to Humans, Centre for Reproductive Biology in Uppsala, Uppsala University, 18 May 2000). CRU Report , 12 pp. 12-13.

Sommer, V; Reichard, U; (2000) Deconstructing monogamy: Thailand's gibbons at Khao Yai, Thailand. - (Abstracts, European Federation for Primatology Meeting, London, 27-29 Nov 2000. Primate Eye 72: 21). Folia Primatologica , 71 p. 362.

Sommer, V; Ulrich, R; (2000) Rethinking monogamy: the gibbon case. In: Kappeler, P, (ed.) Primate Socioecology - Causes and Consequences of Variation in the Number of Males. (pp. 159-168). Cambridge University Press: Cambridge.

1999

Heidinger, F; Sommer, V; (1999) The gibbons of Thailand's Khao Yai Rainforest (Video). - (Abstracts, 18-21 Oct 1999, Utrecht). Congress of the Gesellschaft fr Primatologie , 6 p. 1.

Sommer, V; (1999) Cultural anthropology and the Darwinian primate paradigm. - (Abstracts, 6. Kongress, Gesellschaft fr Primatologie, 18-21 Oct 1999, Utrecht). Folia Primatologica , 72 pp. 211-212.

Sommer, V; (1999) "Das sogenannte Bse" des Konrad Lorenz: Gelesen fr die Gegenwart. In: Kleer, M and Sling, C, (eds.) Wie bse ist der Mensch? (pp. 23-35). Bonifatius: Paderborn.

Sommer, V; (1999) Holy but selfish: The socio-ecology of Indian langur monkeys. - (Abstracts, Primate Society of Great Britain, Winter meeting, London, 01 Dec 1999). Primate Eye , 69 pp. 15-16.

Sommer, V; (1999) [Review of: Dieter Neumann, Arno Schppe & Alfred K. Treml (Hg.), Die Natur der Moral. Evolutionre Ethik und Erziehung. Hirzel (Edition Universitas); Stuttgart und Leipzig 1999.]. Spektrum der Wissenschaft , August pp. 105-106.

Sommer, V; (1999) Tanz auf dem Hcker. Kamelmrkte in Rajasthan. Terra , 2 pp. 68-83.

Sommer, V; (1999) Von Menschen und anderen Tiere. Essays zur Evolutionsbiologie. [Book]. Hirzel: Stuttgart.

Sommer, V; Fowler, A; (1999) [Review of: Craig Stanford (1998). Chimpanzee and Red Colobus. The Ecology of Predator and Prey. Cambridge / MA, London: Harvard University Press]. Animal Behaviour , 58 pp. 917-918.

Vogel, C; (1999) Anthropologische Spuren. Zur Natur des Menschen. Edited and introduced by V. Sommer. Reihe Edition Universitas. [Book]. Hirzel: Stuttgart.

1998

(1998) Die Gene der Gttin. Einer Urreligion auf der Spur. Das Plateau (49) pp. 4-20.

(1998) Tod und Auferstehung: Urritual der Menschheit. pro juventute , 98 pp. 12-16.

Sommer, V; (1998) Doing the weekly shop? Best go to Germany.... Evening Standard , 13/Oct pp. 8-9.

Sommer, V; (1998) Elogio della menzogna. Per una storia naturale dell'inganno. [Book]. (Italian ed.). Bollati Boringhieri: Turin.

Sommer, V; (1998) Primaten: Das Geschlechter-Puzzle. GEO-Wissen (Sex - Geburt - Genetik) , 1 pp. 94-103.

Sommer, V; (1998) Wer hat die Kokosnu geklaut? [Review of: Robin Dunbar (1998). Klatsch und Tratsch. Wie der Mensch zur Sprache fand. Munich: C. Bertelsmann. Original: Grooming, Gossip, and the Evolution of Language. London: Faber & Faber, 1996.]. Frankfurter Allgemeine Zeitung , 28/Apr

Sommer, V; Ammann, K; (1998) Die Grossen Menschenaffen: Orang-Utan, Gorilla, Schimpanse, Bonobo. [Book]. BLV: Munich.

Sommer, V; Mendoza-Granados, D; Reichard, U; (1998) Predation risk causes grouping pattern in Hanuman langur monkeys. Presented at: UNSPECIFIED.

Sommer, V; Uhde, N; (1998) The importance of predation risk for gibbon behaviour and evolution. Presented at: UNSPECIFIED.

1997

Sommer, V; (1997) Kratze einen Altruisten. [Review of: Robin Dunbar (1998). Klatsch und Tratsch. Wie der Mensch zur Sprache fand. Munich: C. Bertelsmann. Original: Grooming, Gossip, and the Evolution of Language. London: Faber & Faber, 1996.]. Frankfurter Allgemeine Zeitung , 24/Nov

Sommer, V; (1997) Variable social organisation of Hanuman langurs: Why males can or can't monopolise females. Presented at: UNSPECIFIED.

Sommer, V; (1997) Variable social organisation of Hanuman langurs: Why males can or can't monopolise females. - (Abstracts, 1. Gttinger Freilandtage, 9-12 Dec 1997, Gttingen). Primate Report , 48 p. 33.

Sommer, V; Mendoza Granados, D; Reichard, U; (1997) Predation risk causes grouping pattern in Hanuman langur monkeys. - (Abstracts, 5. Kongress, Gesellschaft fr Primatologie, 1-5 Oct 1997, Berlin). Folia Primatologica , 69 p. 51.

Uhde, N; Sommer, V; (1997) The importance of predation risk for gibbon behaviour and evolution. - (Abstracts, 5. Kongress, Gesellschaft fr Primatologie, 1-5 Oct 1997, Berlin). Folia Primatologica , 69 p. 57.

Ulrich, R; Sommer, V; (1997) Group encounters in white-handed gibbons (Hylobates lar): Agonism, affiliation, and the concept of infanticide. Behaviour , 134 pp. 1135-1174.

1996

Sommer, V; (1996) Heilige Egoisten. Die Soziobiologie indischer Tempelaffen. [Book]. C.H. Beck: Munich.

Sommer, V; (1996) Infanticide in Hanuman langurs: Female counterstrategies. - (Abstracts, 11-16 Aug 1996, Madison). Congress of the International Primatological Society , 16 199-.

Sommer, V; (1996) "Sind Affen denn auch Leute?" Ja. Denn zwischen Natur und Kultur flieen die bergnge. Pp. 75-95 in: Paola Cavalieri (ed.), The Great Ape Project Continues. Etica & Animali (special issue)

Sommer, V; (1996) Unser Krper hat Geschichte. In: Kunst-, UADBD, (ed.) Schriftenreihe Forum. (pp. 68-71). Steidl: Gttingen.

Sommer, VE; (1996) Biologie des Menschen. (Reihe: Verstndliche Forschung; selected contributions from "Spektrum der Wissenschaft"). [Book]. Spektrum Akademischer Verlag: Heidelberg, Berlin, Oxford.

1995

Mendoza-Granados, D; Sommer, V; (1995) Play in chimpanzees of the Arnhem Zoo: Self-serving compromises. Primates , 36 pp. 57-68.

Rajpurohit, LS; Sommer, V; Mohnot, SM; (1995) Wanderers between harems and bachelor bands: Male Hanuman langurs (Presbytis entellus) at Jodhpur in Rajasthan. Behaviour , 132 pp. 255-299.

Sommer, V; (1995) Alles Leben ist Egoismus. Zur Evolution des Eigennutzes. In: Rtzer, F, (ed.) Das Bse. (pp. 66-77). Steidl: Gttingen.

Sommer, V; (1995) Elogio de la mentira. Egao y autoengao en hombres y otros animales. [Book]. (Spanish ed.). Galaxia Gutenberg / Circulo de Lectores: Barcelona.

Sommer, V; (1995) ...der Mensch it nicht gern allein. Teilen bei Menschen und anderen Tieren. Natur, , March pp. 7-22.

1994

Borries, C; Sommer, V; Srivastava, A; (1994) Weaving a tight social net: Allogrooming in free-ranging female langurs (Presbytis entellus). International Journal of Primatology , 15 pp. 421-443.

Reichard, U; Sommer, V; (1994) Grooming site preferences in wild white-handed gibbons (Hylobates lar). Primates , 35 pp. 369-374.

Sommer, V; (1994) "Der nackte Affe" - erneut betrachtet. Paarungssysteme der Primaten und Sexualbiologie des Menschen. In: Eifler, G and Saame, O and Schneider, P, (eds.) Tier und Mensch. (pp. 215-234). Studium Generale der Johannes Gutenberg-Universitt: Mainz.

Sommer, V; (1994) [Foreword to: Keimzellen der Lust. Die Natur der menschlichen Sexualitt by Simon Le Vay (1994) (translation of: The Sexual Brain)]. XI-XVI.

Sommer, V; (1994) Homo ludens. Spiel und Humor. In: Schiefenhvel, W and Vogel, C and Vollmer, C, (eds.) Vom Affen zum Halbgott. (pp. 139-164). Trias: Stuttgart.

Sommer, V; (1994) Infanticide among langurs of Jodhpur - Testing the sexual selection hypothesis with a long-term record. In: Parmigiani, S and vom Saal, F, (eds.) Infanticide and Parental Care. (Proc. Intern. Center for Scientific Culture Ettore Majorana, Erice / Sicily, Italy). (pp. 155-198). Harwood Academic Publ.: New York.

Sommer, V; (1994) On the evolutionary biology of lying. Universitas , 1 pp. 22-30.

Sommer, V; Mendoza-Granados, D; (1994) Play as an indicator of habitat quality: A field study of langur monkeys (Presbytis entellus). Ethology , 98 pp. 1-16.

Sommer, V; Vollmer, G; (1994) Vom Molekl zum Menschen - Perspektiven der Evolutionsbiologie. In: Pfusterschmid-Hardtenstein, H, (ed.) Zeit und Wahrheit. Europisches Forum Alpbach. (pp. 579-584). Ibera: Wien.

Vogel, C; Sommer, V; (1994) Drum prfe, wer sich ewig bindet. In: Schiefenhvel, W and Vogel, C and Vollmer, C, (eds.) Vom Affen zum Halbgott. (pp. 13-42). Trias: Stuttgart.

1993

Mendoza Granados, D; Sommer, V; (1993) Spiel bei Schimpansen der Zoo-Kolonie von Arnheim. - (Abstracts, 3. Kongress, Gesellschaft fr Primatologie, 29-30 Sep 1993, Tbingen). Zeitschrift fr Sugetierkunde , 58 pp. 43-44.

Neudenberger, J; Sommer, V; (1993) Die flexiblen Grenzen von "Sozialstruktur": Eine Fallstudie zur Monogamie an freilebenden Gibbons. - (Abstracts, 3. Kongress, Gesellschaft fr Primatologie, 29-30 Sep 1993, Tbingen). Zeitschrift fr Sugetierkunde , 58 p. 44.

Rajpurohit, LS; Sommer, V; (1993) Juvenile male emigration from one-male troops in Hanuman langurs (Presbytis entellus) - a long-term study of intrasexual competition. In: Pereira, M and Fairbanks, L, (eds.) Juvenile Primates: Life History, Development, and Behavior. (pp. 86-103). Oxford Univ. Press: New York.

Sommer, V; (1993) Die Vergangenheit einer Illusion: Religion aus evolutionsbiologischer Sicht. In: Voland, E, (ed.) Evolution und Anpassung - Warum die Vergangenheit die Gegenwart erklrt. (pp. 229-248). Hirzel: Stuttgart.

Sommer, V; (1993) Die evolutionre Logik der Lge bei Tier und Mensch. Hauptartikel - Kritiken - Replik. Ethik und Sozialwissenschaften (Streitforum fr Erwgungskultur) , 4 pp. 439-508.

Sommer, V; (1993) Father-son recognition in Hanuman langurs (Presbytis entellus). A field experiment in India. Primates , 34 pp. 217-221.

Sommer, V; (1993) Homosexualitt und Evolution. Perspektiven der modernen Verhaltensbiologie. In: Fischer, EP, (ed.) Mannheimer Forum 93/94. (pp. 7-47). R. Piper: Munich.

Sommer, V; (1993) Natur - die Hure der Moral. Ist Homosexualitt widernatrlich? In: Puff, H, (ed.) Lust, Angst und Provokation. Homosexualitt in der Gesellschaft. (pp. 52-66). Vandenhoeck & Ruprecht: Gttingen.

Sommer, V; (1993) Primate origins: The hardware of human sexuality. Annual Meeting, The Society for the Scientific Study of Sex, San Diego, 12-15 November. Melrose Productions, Sunset Boulevard, Hollywood.

Sommer, V; (1993) Sozialverhalten indischer Languren (South-Korean Translation). Cosmosphere , 7 pp. 102-111.

Sommer, V; (1993) Zur Evolutionsbiologie der Lge. Universitas , 569 pp. 1074-1084.

Srivastava, A; Sommer, V; (1993) Sekundres Geschlechtsverhltnis freilebender Hanuman-Languren korreliert mit Residenzwahrscheinlichkeit von Haremshaltern. - (Abstracts, 3. Kongress, Gesellschaft fr Primatologie, 29-30 Sep 1993, Tbingen). Zeitschrift fr Sugetierkunde , 58 p. 68.

1992

Borries, C; Winkler, P; Podzuweit, D; Sommer, V; (1992) Sexual harassment in langurs (Presbytis entellus). A comparison between multi-male and one-male troops. - (Abstracts, 16-21 Aug 1992, Strasbourg). Congress of the International Primatological Society , 14 pp. 266-267.

Ber, M; Sommer, V; (1992) Evidence for sexually selected infanticide in captive Cercopithecus mitis, Cercocebus torquatus and Mandrillus leucophaeus. Primates , 33 pp. 557-563.

Rajpurohit, LS; Sommer, V; (1992) Building bachelor bands: Natal dispersal in Hanuman langurs. - (Abstracts, 16-21 Aug 1992, Strasbourg). Congress of the International Primatological Society , 14 269-.

Sommer, V; (1992) Feste - Mythen - Rituale. Warum die Vlker feiern. [Book]. Gruner & Jahr/GEO.: Hamburg.

Sommer, V; (1992) Flexible social organization: The case of Hanuman langurs. - (Abstracts, 16-21 Aug 1992, Strasbourg). Congress of the International Primatological Society , 14 p. 247.

Sommer, V; (1992) How long-term studies may change views - the case of Hanuman langurs. In: Frank Poirier, P.K. Seth & Christian Welker (eds.), Long-term Studies on the Old-World Monkeys. (Proc. XIIth Congress of the International Primatological Society, 24-29 July 1988, Brasilia). Primate Report , 32 pp. 155-166.

Sommer, V; (1992) Lob der Lge. New Mag , 23 pp. 23-24.

Sommer, V; (1992) Lob der Lge. Tuschung und Selbstbetrug bei Tier und Mensch. [Book]. C.H. Beck: Munich.

Sommer, V; (1992) Meme sind denkbar. Kosmos , 2 pp. 68-69.

Sommer, V; (1992) Primate origins: The hardware of human sexuality. - (Abstracts, 12-15 November, San Diego). Annual Meeting of the Society for the Scientific Study of Sex , 35 24f-.

Sommer, V; (1992) Soziobiologie: Wissenschaftliche Innovation oder ideologischer Anachronismus? In: Voland, E, (ed.) Fortpflanzung: Natur und Kultur im Wechselspiel. Versuch eines Dialoges zwischen Biologen und Sozialwissenschaftlern. (Suhrkamp-Taschenbuch Wissenschaft 983). (pp. 51-73). Suhrkamp: Frankfurt am Main.

Sommer, V; (1992) Urahn Affe - clever wie wir. Hobby , 2 pp. 10-17.

Sommer, V; (1992) Warum kleine Lgen unser Leben leichter machen. Natur , 12 pp. 42-46.

Sommer, V; (1992) Zwischen Monogamie und Polygynie: Die Flexibilitt von Sozialstruktur am Beispiel von Gibbons in Thailand und Languren in Indien. - (Abstracts, 21-23 August, Gttingen). Symposium of the Primaten-Feldforschung, Thyssen-Stiftung , 1 pp. 11-12.

Sommer, V; Srivastava, A; Borries, C; (1992) Contest for conception in Hanuman langur harems. - (Abstracts, 16-21 August 1992, Strasbourg). Congress of the International Primatological Society , 14 p. 266.

Sommer, V; Srivastava, A; Borries, C; (1992) Cycles, sexuality, and conception in free-ranging female langurs (Presbytis entellus). American Journal of Primatology , 28 pp. 1-27.

1991

Borries, C; Sommer, V; Srivastava, A; (1991) Dominance, age, and reproductive success in free-ranging female Hanuman langurs (Presbytis entellus). International Journal of Primatology , 12 pp. 231-257.

Sommer, V; (1991) Arten: Trennung ist aller Vielfalt Anfang. GEO-Wissen (Landwirtschaft und Biotechnik) , 3 pp. 38-41.

Sommer, V; (1991) Das feine Tarnkleid der Gedanken. Warum die Lge zu loben ist. Das Plateau , 8 pp. 4-21.

Sommer, V; (1991) Der Mensch ist kein Mngelwesen. Kosmos , 12 pp. 70-71.

Sommer, V; (1991) Die Erfindung der Gromutter. GEO-Wissen (Altern und Jugendwahn) , 1 pp. 134-146.

Sommer, V; (1991) Erfolg mit Masse und mit Klasse. GEO (Schwerpunkt Bevlkerungsexplosion) , 1 pp. 62-70.

Sommer, V; (1991) Holy Egotists. The Langur Monkeys of India. Anima , 231 pp. 22-29.

Sommer, V; (1991) Infant-transfer and infant-mistreatment among Hanuman langurs: Two faces of effective babysitting among close kin. - (Abstracts, 60th Congress of the American Association of Physical Anthropologists, 2-6 Apr 1991, Milwaukee / Wisconsin, USA). Supplement of the American Journal of Physical Anthropology , 12 p. 166.

Sommer, V; (1991) Krone der Schpfung? Kosmos , 10 pp. 62-63.

Sommer, V; (1991) Natal male emigration in Hanuman langurs (Presbytis entellus). A consequence of intrasexual competition. - (Abstracts, 2. Kongre, Gesellschaft fr Primatologie, 30 Sep - 02 Oct 1991, Bochum). Primate Report

Sommer, V; (1991) [Review of: Frans de Waal (1991), Wilde Diplomaten. Vershnung und Entspannungspolitik bei Affen und Menschen. Munich: Hanser.]. Natur , 6 pp. 94-99.

Sommer, V; (1991) Rose und Eros. Schriftenreihe Rosenmuseum Steinfurth, edited by Sabine Kbler. [Book]. Rosenmuseum: Steinfurth.

Sommer, V; (1991) Unser Vetter aus Zare. Kosmos , 5 pp. 24-29.

Srivastava, A; Borries, C; Sommer, V; (1991) Homosexual mounting in free ranging female Hanuman langurs (Presbytis entellus). Archives of Sexual Behavior , 20 pp. 487-512.

Srivastava, A; Borries, C; Sommer, V; (1991) Sex differences in mortality among langurs (Presbytis entellus) of Jodhpur, Rajasthan. Folia Primatologica , 56 pp. 17-27.

1990

Sommer, V; (1990) Das Tabu. Homosexuelle Tiere. Natur , 10 pp. 54-58.

Sommer, V; (1990) Das schpferische Spiel. GEO-Wissen (Chaos - Kreativitt - Ordnung) , 2 pp. 64-70.

Sommer, V; (1990) Im Labyrinth der Triebe. Deutsches Allgemeines Sonntagsblatt , 35 p. 11.

Sommer, V; (1990) Reis und Wein fr die heiligen Affen. Feldstudien an Languren im indischen Jodhpur. DAAD Letter , 2 pp. 4-7.

Sommer, V; (1990) Sozialverhalten indischer Languren. Mitteilungen der Alexander von Humboldt-Stiftung (AvH-Magazin) , 56 pp. 3-16.

Sommer, V; (1990) Wider die Natur? Homosexualitt und Evolution. [Book]. C.H. Beck.: Munich.

1989

Heinz-Mohr, G; Sommer, V; (1989) La Rosa - Storia Di Un Simbolo. [Book]. (Italian ed.). Rusconi: Milano.

Sommer, V; (1989) Das Selbst und die anderen. Zur Biologie der Nchstenliebe. In: Albertz, H, (ed.) Die Zehn Gebote. (pp. 72-88). Radius: Stuttgart.

Sommer, V; (1989) Die Affen. Unsere wilde Verwandtschaft. [Book]. Gruner & Jahr/GEO:: Hamburg.

Sommer, V; (1989) [Foreword and introduction to: Was ist der Mensch? 1111 Zitate geben 1111 Antworten by Mckler, Andreas & Christiane Schfers (1989).] Cologne: Du Mont.

Sommer, V; (1989) Infant mistreatment in langur monkeys - sociobiology tackled from the wrong end? In: Rasa, AEO and Vogel, C and Voland, E, (eds.) The Sociobiology of Sexual and Reproductive Strategies in Animals and Humans. (pp. 110-127). Chapmand and Hall: London.

Sommer, V; (1989) Kooperation und Konkurrenz - Zur Evolution des Sozialverhaltens. In: May, H and Striegnitz, M, (eds.) Kooperation und Wettbewerb. Zur Ethik und Biologie menschlichen Sozialverhaltens. Loccumer Protokolle 75. 260-273.

Sommer, V; (1989) Lgen haben lange Beine. Information und Manipulation von Artgenossen. GEO-Wissen 2 (Kommunikation): 148-157. GEO-Wissen (Kommunikation) , 2 pp. 148-157.

Sommer, V; (1989) Pakte, die der Paarung dienen. Sexualitt und Fortpflanzung bei Primaten. GEO-Wissen (Sex - Geburt - Genetik) , 1 pp. 132-141.

Sommer, V; (1989) [Review of: Laura Betzig, Monique Borgerhoff-Mulder & Paul Turke (eds.) (1988), Human Reproductive Behaviour. Cambridge: Cambridge University Press.]. Anthropologischer Anzeiger , 47 pp. 87-88.

Sommer, V; (1989) [Review of: Rolf Lther (ed.) (1988), Tiersozietten und Menschengesellschaften. Jena: G. Fischer.]. Anthropologischer Anzeiger , 47 pp. 252-254.

Sommer, V; (1989) Sacred langurs create a conservation dilemma: What matters - numbers or nature?. - (Abstracts, 1. Kongre, Gesellschaft fr Primatologie, 18-20 Oct 1989, Gttingen). Primate Report , 25 p. 85.

Sommer, V; (1989) Sexual harassment in langur monkeys (Presbytis entellus). Competition for ova, sperm, and nurture? Ethology , 80 pp. 205-217.

Sommer, V; Rajpurohit, LS; (1989) Male reproductive success in harem troops of Hanuman langurs (Presbytis entellus). International Journal of Primatology , 10 pp. 293-317.

1988

Agoramoorthy, G; Mohnot, SM; Sommer, V; Srivastava, A; (1988) Abortions in free ranging Hanuman langurs (Presbytis entellus) - A male induced strategy? Human Evolution , 3 pp. 297-308.

Heinz-Mohr, G; Sommer, V; (1988) Die Rose - Entfaltung eines Symbols. [Book]. Eugen Diederichs: Munich.

Sommer, V; (1988) ). All-male bands in the langurs (Presbytis entellus) of Jodhpur: Structures of development. - (Abstracts, XIIth Congress of the International Primatological Society, 24-29 Jul 1988, Brasilia). International Journal of Primatology , 8 p. 450.

Sommer, V; (1988) Babysitter gesucht ! Verwandtschaftshilfe unter Grauen Languren. Kosmos , 6 pp. 74-80.

Sommer, V; (1988) Female-female mounting in langurs (Presbytis entellus). - (Abstracts, XIIth Congress of the International Primatological Society, 24-29 Jul 1988, Brasilia). International Journal of Primatology , 8 p. 478.

Sommer, V; (1988) Infant mistreatment in langur monkeys (Presbytis entellus). Intrasexual competition or a strategy of foraging and recreation? - (Abstracts, XIIth Congress of the International Primatological Society, 24-29 Jul 1988, Brasilia). International Journal of Primatology , 8 p. 478.

Sommer, V; (1988) Male competition and coalitions in langurs (Presbytis entellus) at Jodhpur, Rajasthan, India. Human Evolution , 3 pp. 261-278.

Sommer, V; (1988) Nehmen und Geben im Tierreich. Zur Biologie des Diebstahlverbots. In: Albertz, H, (ed.) Die Zehn Gebote. (pp. 50-65). Radius: Stuttgart.

Sommer, V; (1988) Paarungsstrungen bei Languren (Presbytis entellus). Konkurrenz um mtterliches Investment, Eier und Spermien?. - (Abstracts, 62. Hauptversammlung Deutsche Gesellschaft fr Sugetierkunde, 2-6 Okt 1988, Mnster). Zeitschrift fr Sugetierkunde , 53 p. 27.

1987

Sommer, V; (1987) Das Tten von Artgenossen. Kontroversen der Verhaltensforschung. In: Albertz, H, (ed.) Die Zehn Gebote. (pp. 85-97). Radius: Stuttgart.

Sommer, V; (1987) Die Wissenschaft vom auerehelichen Sex. Zur Biologie des Ehebruchs. In: Albertz, H, (ed.) Die Zehn Gebote. (pp. 63-80). Radius: Stuttgart.

Sommer, V; (1987) Infanticide among free-ranging langurs (Presbytis entellus) at Jodhpur (Rajasthan / India). Recent observations with a reconsideration of hypotheses. Primates , 28 pp. 163-197.

Sommer, V; (1987) Vom Nutzen der Alten. Zur Biologie des Elterngebots. In: Albertz, H, (ed.) Die Zehn Gebote. (pp. 95-101). Radius: Stuttgart.

1986

Schilling, D; Sommer, V; (1986) Gibbons im thailndischen Regenwald: Sie singen, schwingen und springen. Bild der Wissenschaft , 4 pp. 60-74.

Sommer, V; (1986) Adult male replacements in troops of free- ranging langur (Presbytis entellus) around Jodhpur, India. - (Abstracts, XIth Congress of the International Primatological Society, 20-25 Jul 1986, Gttingen). Primate Report , 14 pp. 208-209.

Sommer, V; (1986) Der Yeti mu gefunden werden. Die Geschichte einer Expedition durch den Himalaya, die mit der berzeugung endete, der Wahrheit nher gekommen zu sein. Die Zeit , 21 78-.

Sommer, V; (1986) "Ein Raum, in dem ich leben mchte" Die Landschaftsaquarelle von Klaus Meister. In: Erk, W, (ed.) Radius Almanach 1986/87. (76 - 83). Radius: Stuttgart.

Sommer, V; (1986) Functions of female-female mounting in free-ranging langurs (Presbytis entellus). - (Abstracts, 19-20 Dec 1986, Jaipur). National Symposium on Conservation and Use of Primates in Biomedical Research , 1 p. 9.

Sommer, V; (1986) Indien. Eine poetische Annherung. [Book]. Goldmann: Munich.

Sommer, V; (1986) Photographic documentation of infanticide in troops of free-ranging langurs (Presbytis entellus) near Jodhpur, India. - (Abstracts, XIth Congress of the International Primatological Society, 20-25 Jul 1986, Gttingen). Primate Report , 14 p. 268.

Sommer, V; (1986) Sexual harassment in langur monkeys (Presbytis entellus) - Competition for nurture, eggs, and sperm? - (Abstracts, 26-31 Dec 1986, New Delhi). International Symposium on Primates - The New Revolution , 1 p. 40.

Sommer, V; (1986) Yeti - Eine Erzhlung. [Book]. Radius. 44 pp: Stuttgart.

1985

Sommer, V; Mohnot, SM; (1985) New observations on infanticides among hanuman langurs (Presbytis entellus) near Jodhpur (Rajasthan / India). Behavioral Ecology and Sociobiology , 16 pp. 245-248.

1984

Sommer, V; (1984) Das krumme Ding mit der Intelligenz. Stephen Jay Goulds Abrechnung mit den Intelligenzforschern aus zwei Jahrhunderten. [Review of: Stephen Jay Gould (1983), Der falsch vermessene Mensch, Basel: Birkhuser.]. Die Zeit , 16 p. 30.

Sommer, V; (1984) Dynamics of group structure in a family of the common marmoset, Callithrix jacchus (Callitrichidae). In: Roonwal, ML and Mohnot, SM and Rathore, NS, (eds.) Current Primate Researches. (pp. 315-342). Jodhpur University Press: Jodhpur.

Sommer, V; (1984) Infant-transfer bei indischen Langurenaffen (Presbytis entellus) als Testfall soziobiologischer Hypothesen. - (Abstracts, 58. Hauptversamml. Deutsche Gesellschaft fr Sugetierkunde, 23-27 Sep 1984, Gttingen). Zeitschrift fr Sugetierkunde , 1 p. 49.

Sommer, V; (1984) Kindesmord bei Affen. Bild der Wissenschaft , 10 pp. 72-82.

Sommer, V; (1984) Kindesttungen bei indischen Langurenaffen (Presbytis entellus) - eine mnnliche Reproduktionsstrategie? Anthropologischer Anzeiger , 42 pp. 177-183.

Sommer, V; (1984) Zurck auf die Bume. Im Orang-Utan Zentrum auf Sumatra werden zahme Affen an die Wildnis gewhnt. Die Zeit , 44 p. 90.

Sommer, V; (1984) Zurck auf die Bume. Im Orang-Utan Zentrum auf Sumatra werden zahme Affen an die Wildnis gewhnt. Neue Frau , 41 pp. 4-6.

Sommer, V; Vogel, C; (1984) Fotografische Dokumentation von Infantizid bei Presbytis entellus (Colobinae, Primates). Verhandlungen der Deutschen Zoologischen Gesellschaft , 77 p. 226.

1983

Sommer, V; (1983) Infantizid bei Langurenaffen (Presbytis entellus) als mnnliche Reproduktionssstrategie? - (Abstracts, 05-08 Oct 1983, Mnster). Meeting of the Gesellschaft fr Anthropologie und Humangenetik , 18 p. 169.

Sommer, V; (1983) Nektar der Unsterblichkeit. Poetische Annherung an Indien. [Book]. Radius.: Stuttgart. 179 pp.

Sommer, V; (1983) Sprung statt Wandel. Steven Stanleys Evolutionsfahrplan. [Review of: Steven Stanley (1983), Der neue Fahrplan der Evolution. Fossilien, Gene und der Ursprung der Arten. Munich: Harnack.]. Die Zeit , 42 p. 38.

1982

Sommer, V; (1982) Dynamics of group structure in a family of common marmoset, Callithrix jacchus. - (Abstracts, 17-20 Feb 1982, Jodhpur). International Symposium on Primates , 1 p. 42.

Sommer, V; Mckler, A; Dithmar, L; (1982) Im Schatten des Neumonds. Gedichte und Bilder. [Book]. Desire & Gegenrealismus/Edition Svastika.: Schwandorf 62 pp., 41 figs.

1975

JFC Choir, ; (1975) Music set to Psalm 8. Vinyl record: JFC 522 (1973), Hnssler 99101 (1975). Score: Sommer, V. (1975). Wenn ich den Himmel sehe... Pp 1215 in: O. Riecker (ed), Jesu Name nie verklinget, 3. Hnssler: Stuttgart, Germany.

1973

Good News Singers:, ; Dck, A; Kalden, B; Klein, K; Sommer, V; Zolkewiecz, H; (1973) Good News A Gogo. Vinyl record: Eschbach: Jugend fr Christus

This list was generated on Sun Nov 8 08:09:55 2015 GMT.