Author: Maruyama, T., 1984.:
Title: Miocene diatom biostratigraphy of onshore sequences on the Pacific side of Northeast Japan, with reference to DSDP Hole 438A (Part 1 & Part 2.)
Description: Tohoku Univ. Sci. Rep., 2nd Ser. (Geol.), 54(2): pp. 141-164, 143 microphotos on 9 plates, 6 figs., 8 tabs., refs.; 55(1): pp. 77-140, 66 microphotos on 5 plates, 30 figs., tabs., refs. Two parts, wrappers.

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