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Author

Helmut Keupp

5 books found

Cover of Atlas zur Paläopathologie der Cephalopoden

Atlas zur Paläopathologie der Cephalopoden

Helmut Keupp · First published 2012

Cover of "Modern problems of poriferan biology

"Modern problems of poriferan biology

Helmut Keupp, Rolf Kohring, Alexander V. Ereskovsky · First published 1997

Cover of Fossil and Recent Sponges

Fossil and Recent Sponges

Joachim Reitner, Helmut Keupp · First published 1990 · Latest edition 1991

Cover of Fossil & recent sponges

Fossil & recent sponges

Helmut Keupp, J. Reitner · First published 1988

Placeholder cover for Ultrafazies und Genese der Solnhofener Plattenkalke

Ultrafazies und Genese der Solnhofener Plattenkalke

Helmut Keupp · First published 1977