Author: Pribyl, A., 1948.:
Title: Bibliographic index of Bohemian Silurian graptolites. [Knih. Statn. Geol. Ust. Cesk. Rep., 22.]
Description: Prague 1948. 8vo.. Pp. 96, 2 fold. diagrams, bibliogr., index. Paperbound, orig. pruinted wrappers.

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