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 "Fagan, Frank and Langenfeld, James",The economics and regulation of digital markets,,Emerald,2024,Research in law and economics,,9781837976447,,https://cir.nii.ac.jp/crid/1130580052542652437