海量图书期刊资源,随时随地畅享阅读乐趣
International Palaeontological AssociationGERD E. G. WESTERMANN · 1976
Septum Morphology and Bathymetry in CephalopodsGerd E. G. Westermann and Peter Ward · Paleobiology · 1980
Hydrodynamic properties of cephalopod shell ornamentChamberlain, John A.; Westermann, Gerd E. G. · Paleobiology · 1976
Hydrodynamic Properties of Cephalopod Shell OrnamentJohn A. Chamberlain, Jr. and Gerd E. G. Westermann · Paleobiology · 1976
Function of Cameral Water in NautilusDesmond Collins, Peter D. Ward and Gerd E. G. Westermann · Paleobiology · 1980
New Constitution for the International Palaeontological AssociationGERD E. G. WESTERMANN · 1973
Recurrences of Hypotheses about Ammonites and ArgonautaRoger A. Hewitt and Gerd E. G. Westermann · Journal of Paleontology · 2003