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 International Trade Commission,"Butt-weld pipe fittings from Brazil, Japan, and Taiwan",,U.S. International Trade Commission,1986,USITC publication,,,,https://cir.nii.ac.jp/crid/1130282270952179712