(1994). Lower cretaceous cephalopod biostratigraphy of the western tethys: Recent developments, regional synthesis and outstanding problems. Laboratoire de Géologie de l'Univ.
Chicago-Zitierstil (17. Ausg.)Lower Cretaceous Cephalopod Biostratigraphy of the Western Tethys: Recent Developments, Regional Synthesis and Outstanding Problems. Grenoble: Laboratoire de Géologie de l'Univ, 1994.
MLA-Zitierstil (9. Ausg.)Lower Cretaceous Cephalopod Biostratigraphy of the Western Tethys: Recent Developments, Regional Synthesis and Outstanding Problems. Laboratoire de Géologie de l'Univ, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.