The Callovian and Upper Jurassic of Western Siberia and West European classic stage standards: ammonite zonation and correspondence in lithostratigraphy and sequences
: 9th International Symposium Cephalopods - Present and Past in combination with the 5th International Symposium Coleoid Cephalopods through Time (Zurich, Switzerland, September 4-14, 2014): Abstracts and program
