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2. Paleotemperature analysis of the Pliocene Kakegawa Group by means of oxygen isotope ratio in fossil calcium-carbonates;Aoshima;Fossils (Paleontol. Soc. Jpn.),1972
3. Molluscan fauna of the Plio-Pleistocene Kakegawa Group; its composition and horizontal distribution;Chinzei;Mem. Nat. Sci. Mus.,1980
4. The Tertiary in the vicinity of Kakegawa and Sagara Totomi;Chitani;J. Geogr.,1926
5. Planktonic foraminiferal datum levels recognized in the Neogene sequence of the Kakegawa area, and their relationship with lithostratigraphy;Ibaraki;J. Geol. Soc. Jpn.,1986