Author: BERGGREN W. A. :
Title: Paleogene biostratigraphy and planktonic foraminifera of the SW Soviet Union. An analysis of recent Soviet investigations.
Description: .: 2. Stockholm, Almqvist & Wiksell, 1960, in-8°, 63 pp (63-125), 2 maps, 6 tables, 2 folding tables, bibl., stiff papoer wrapper, handwritten dedication by the author. Separate offprint from; Stockholm Contributions in Geology, Vol. VI;5. .

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