Morikawa, R.; Isomi, H. (1961). Studies of Permian Fusulinids in the East of Lake Biwa, Central Japan. 地質調査所報告 - Geological Survey of Japan, report. 191: 1-29.
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Morikawa, R.; Isomi, H.
1961
Studies of Permian Fusulinids in the East of Lake Biwa, Central Japan