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
"Stiglitz, Joseph E.",Competitivity and the number of firms in a market : are duopolies more competitive than atomistic markets?,,"Institute for Mathematical Studies in the Social Sciences, Stanford Univ.",1985,The economics series : technical report,,,,https://cir.nii.ac.jp/crid/1130000795530423808