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 British Standards Institution,Report on British standard whitworth (B.S.W.) screw threads and their tolerances : superseding reports Nos. 20 and 38,,Crosby Lockwood,1919,British Engineering Standards Association,,,,https://cir.nii.ac.jp/crid/1130000796551624576