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 "Shubik, Martin","Information, duopoly and competitive markets : a sensitivity analysis",,Cowles Foundation for Research in Economics at Yale University,1974,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130282269640238976