@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038731, author = {Kobayashi, Kazuo}, issue = {30}, journal = {Preliminary report of the Hakuhō Maru cruise}, month = {}, note = {航海番号: KH-87-3 ; 航海日程: July 1 - August 13, 1987}, pages = {1--304}, title = {(WESTPAC, ODP Site Survey) Izu-Ogasawara (Bonin), East Mariana Basin and Yap Trench}, volume = {1987}, year = {1989} }