@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038780, author = {Tomoda, Yoshibumi and Nasu, Noriyuki}, issue = {20}, journal = {Preliminary report of the Hakuhō Maru cruise}, month = {}, note = {航海番号: KH-69-2 ; 航海日程: April 26 - June 19, 1969}, pages = {1--209}, title = {Japan Trench and Sea of Japan}, volume = {1969}, year = {1971} }