Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy >
Vol.7, No.4 >
On the Ontogeny of Barroisiceras Minimum YABE from the Upper Ammonite Bed in Hokkaidô (Palaeontological Study of Cretaceous Ammonites from Hokkaidô - (I).)
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