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Ueber den Abbau der Gehaeusegestalt bei jurassischen und kretazischen Ammoniten


, : Ueber den Abbau der Gehaeusegestalt bei jurassischen und kretazischen Ammoniten. Berichte der Geologischen Gesellschaft in der Deutschen Demokratischen Republik fuer das Gesamtgebiet der Geologischen Wissenschaften 1(1): 15-33

A study of the shell structure of Jurassic and Cretaceous ammonites, with special reference to variations in relation to orthogenesis, degeneration, and senility.

US$29.90


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