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2. Late Quaternary tephrochronology and palaeo-oceanography of the sediments of the Japan Sea;Arai;The Quaternary Research of Japan,1981
3. Catalog for Late Quaternary marker-tephras in Japan: II. Tephras occurring in northeast Honshu and Hokkaido;Arai;Geographical Reports of Tokyo Metropolitan University,1986
4. Geology of Asama volcano;Aramaki;Journal of the Faculty of Science, Tokyo University (Section 2),1963
5. Upper Quaternary sea levels, coral terraces, oxygen isotopes and deep-sea temperatures;Chappell;Journal of Geography of Japan,1994