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. Dept. of Commerce,"United States government master specification for screws, wood",2. ed,U.S. Government Printing Office,1927,Circular of the Bureau of Standards,,,,https://cir.nii.ac.jp/crid/1130000793801803648