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 "Ryan, John C. and Elkin, Vicki and Ayres, Ed",Life support : conserving biological diversity,,Worldwatch Institute,1992,Worldwatch paper,,1878071092,,https://cir.nii.ac.jp/crid/1130282270843920768