Ammonoid and nautiloid biostratigraphy around the Olenekian-Anisian boundary in the Tethyan Triassic of North Dobrogea (Romania): correlation with the Boreal Triassic
: NGF (Norsk Geologisk Forening) Abstracts and Proceedings of the Geological Society of Norway. Boreal Triassic 2006, Longyearbyen, Svalbard 16-19 August 2006.
