著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "United States. Minerals Management Service. Environmental Studies (Anchorage, Alaska) and National Marine Mammal Laboratory (U.S.)",Status and pelagic distribution of otariid pinnipeds in the Bering Sea during winter,,"National Marine Mammal Laboratory,Environmental Studies Section, Minerals Management Service",1993,OCS study,,,,https://cir.nii.ac.jp/crid/1130282270907570048