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
Instituttet for fremtidsforskning (Denmark) and Commission of the European Communities,A study of the evolution of concentration in the Danish cement industry,,Office for Official Publications of the European Communities,1978,Evolution of concentration and Competition series,,9282505685,,https://cir.nii.ac.jp/crid/1130000794255783808