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 "Zelger, Bernadette",Restrictions of EU competition law in the digital age : the meaning of 'effects' in a digital economy,,Springer,2023,Studies in European economic law and regulation,,9783031313387,,https://cir.nii.ac.jp/crid/1130297880598865571