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
"Geroski, Paul and Schwalbach, Joachim and Commission of the European Communities",Barriers to entry and intensity of competition in European markets,,Office for Offical Publications of the Europenan Communities,1989,"Deadline 92, a frontier-free Europe",,9282596257,,https://cir.nii.ac.jp/crid/1130282270905729536