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
"Kobayashi, Hajime and Ohta, Katsunori",Optimal collusion under imperfect monitoring in multimarket contact,,"School of Economics, Osaka Prefecture University",2009,Discussion paper new series,,,,https://cir.nii.ac.jp/crid/1130000796235954688