Author: Geyer D.,
Title: Helix (Arianta) arbustorum L
Description: 1912. und das Klima der Lössperiode. In 8vo, original wrappers, pp. 12 with 1 pl. Offprint from Jahr. Mitt. Oberrheinischen Geol. Ver., 2(1). With a message from the author

Keywords: paleontology - fossils


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