Author: Aoki, N., 1963.:
Title: Pliocene and Pleistocene foraminifera from along the Yoro River, Boso Peninsula. Vertical faunal change. // Ujié, H. Foraminifer from the Yûrakuchô Formation (Holocene), Tokyo City.
Description: Sci. Rep. Tokyo Daigaku, Sect. C, 8: pp. 203-228;229-244, many photos on 3 pls., 7 figs., refs. Large 8vo. Journal issue, orig. wrs.

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