Author: Gerster, C., 1881.:
Title: Die Plänerbildungen um Ortenburg bei Passau. Separat-Abdruck aus: Nova Acta der Kaiserl. Leopol.-Carol. Deutschen Akademie der Naturforscher, Bd. XLIV.
Description: Halle: E. Blochmann. 4to. Pp. [ii],58, 14 figs. of fossil sponge remains on 1 lithogr. plate. Hardbound, half. cloth, marbled boards. Fine. - Doctoral dissertation, University of Munich. Almost exclusively paleontological.

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