TY - JOUR N1 - This version is the version of record. For information on re-use, please refer to the publisher?s terms and conditions. AV - public Y1 - 1990/// VL - 3 SP - 127 EP - 136 TI - The occurrence of calcareous nannofossils in the Triassic/Jurassic boundary interval A1 - Bown, P A1 - Lord, AR JF - Les Cahiers de l'Université Catholique de Lyon UR - https://www.ucly.fr/recherche/editions/collection-science-histoire-philosophie/ ID - discovery10204117 ER -