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
"Daems, Herman and De Geyndt, Marc and Sleuwaegen, Leo","A study of the evolution of concentration in the sector of hoists, lifts, and conveyers and in the sector of office machinery for Belgium",,Office for Official Publications of the European Communities,1978,Evolution of concentration and Competition series,,9282503496,,https://cir.nii.ac.jp/crid/1130282271533032320