Saito, T. (1962). The Upper Cretaceous system of Ibaraki and Fukushima prefectures, Japan (Part 2). Bulletin of the Faculty of Arts and Sciences, Ibaraki University, Natural Sciences. 13: 51-87.
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Saito, T.
1962
The Upper Cretaceous system of Ibaraki and Fukushima prefectures, Japan (Part 2)
Bulletin of the Faculty of Arts and Sciences, Ibaraki University, Natural Sciences