@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038778,
 author = {Marumo, Ryuzo},
 issue = {40},
 journal = {Preliminary report of the Hakuhō Maru cruise},
 month = {},
 note = {航海番号: KH-69-4 ; 航海日程: August 12 - November 13, 1969},
 pages = {1--68},
 title = {(IBP Cruise) The North and equatorial Pacific Ocean},
 volume = {1969},
 year = {1970}
}