Creager, J. S.; Scholl, D. W.; Boyce, R. E.; Echols, R. J.; Fullam, T. J.; Grow, J. A.; Koizumi, I.; Lee, H. J.; Ling, H. Y.; Stewart, R. J.; Supko, P. R.; Worsley, T. R. (1973): Site 189. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 19 (Kodiak, Alaska to Yokohama, Japan; July-Sept. 1971), 325-369, georefid:1976-018915