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 United States. Commission on Obscenity and Pornography,The marketplace : empirical studies,,"[s.n.],William S. Hein",,Technical report of the Commission on Obscenity and Pornography,,,,https://cir.nii.ac.jp/crid/1130282270735272960