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 first twenty-five years of the international patent classification, 1971-1996",,World Intellectual Property Organization,1996,WIPO publication,,9280506250,,https://cir.nii.ac.jp/crid/1130282271150874368