Author: Credner, H., 1895.:
Title: Die Phosphoritknollen des Leipziger Mitteloligocäns und die norddeutschen Phosphoritzonen.
Description: [Abh. math.-phys. Cl. Kgl. Sächs. Ges. Wiss., 22(1).] Leipzig: S. Hirzel. 4to. Pp. 47, 8 figs. on 1 chromolith. pl., refs. & notes. Plain new wrs. Waterstain on corner of plate, good otherwise. - Printed presentation slip of author tipped-in on title-page.

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