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 "Katō, Yūji and Ypsilanti, Dimitri and Organisation for Economic Co-operation and Development. Committee for Information, Computer, and Communications Policy and Organisation for Economic Co-operation and Development. Ad Hoc Group of Experts on International Telecommunication Charging Practices and Procedures",New technologies and their impact on the accounting rate system,,OECD,1997,OECD working papers,,,,https://cir.nii.ac.jp/crid/1130282269002715904