Etxaluze, M; Cernicharo, J; Goicoechea, JR; Van Hoof, PAM; Van De Steene, GC; Groenewegen, MAT; Swinyard, BM; ... Ueta, T; + view all <#> Etxaluze, M; Cernicharo, J; Goicoechea, JR; Van Hoof, PAM; Van De Steene, GC; Groenewegen, MAT; Swinyard, BM; Barlow, MJ; Matsuura, M; Lim, TL; Pearson, C; Polehampton, ET; Kerschbaum, F; Lique, F; Royer, P; Ueta, T; - view fewer <#> (2014) Herschel spectral mapping of the Helix nebula (NGC 7293): Extended CO photodissociation and OH+ emission. Astronomy and Astrophysics , 566 , Article A78. 10.1051/0004-6361/201322941 <https://doi.org/10.1051/0004-6361%2F201322941>. Green open access