Morita, R., Titova, L.V. & Akiba, F. (1996). Oligocene-early Miocene Mollusca and diatoms from the Kitami-Tsubetsu area, eastern Hokkaido, Japan. Science Reports of the Tohoku University, Second Series (Geology), 63(2): 53-213
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Morita, R., Titova, L.V. & Akiba, F.
1996
Oligocene-early Miocene Mollusca and diatoms from the Kitami-Tsubetsu area, eastern Hokkaido, Japan.
Science Reports of the Tohoku University, Second Series (Geology)