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. Congress. Office of Technology Assessment,Biopolymers : making materials nature's way,,"U.S. Congress, Office of Technology Assesment,For sale by the U.S. G.P.O., Supt. of Docs.",1993,Background paper,,0160420989,,https://cir.nii.ac.jp/crid/1130000797518009600