著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
JAMKHEDKAR P. A.,Drm as a layered system,"DRM'04 : Proceedings of the 4th ACM workshop on Digital rights management, New York, NY, USA",,ACM Press,2004,,,11-21,https://cir.nii.ac.jp/crid/1573105975665446016,