- Alternative spelling of .
- 1965, Horace G. Richards; Rhodes W[hitmore] Fairbridge, Annotated Bibliography of Quaternary Shorelines (1945–1964): Prepared for the VII International Congress of International Association for Quaternary Research (INQUA) Meeting at Boulder, Colorado, August 30 – September 5, 1965 (Special Publication; 6), Philadelphia, Pa.: Academy of Natural Sciences, OCLC 499347407, page 250:
- Takai, F., and Tsuchi, R. 1963 The Quartenary: In "Geology of Japan," Univ. Calif. Press: 173–196 / […] From these facts, it is inferred that the main coastal terraces were probably formed due to glacial eustacy.
- 1968, Asian Perspectives: A Journal of Archaeology and Prehistory of Asia and the Pacific, volume 12, Honolulu, Hi.: University Press of Hawaii, ISSN 0066-8435, OCLC 755911170, page 133, column 2:
- The range in elevation suggests that the sea level was not constant during the formation of the caves and that the rise of land – perhaps counterbalanced periodically by glacial eustacies – was probably continuous.