Asano, K. (1962). Japanese Paleogene from the View-point of Foraminifera with Descriptions of Several New Species. Contributions from the Institute of Geology and Paleontology Tohoku University. 57: 1-33.
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Asano, K.
1962
Japanese Paleogene from the View-point of Foraminifera with Descriptions of Several New Species
Contributions from the Institute of Geology and Paleontology Tohoku University