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 World Intellectual Property Organization,"The twenty-five years of the Patent Cooperation Treaty (PCT), 1970-1995",,World Intellectual Property Organization,1995,WIPO publication,,9280506013,,https://cir.nii.ac.jp/crid/1130000795782667776