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 American Society of Mechanical Engineers. Boiler and Pressure Vessel Committee,"Qualification standard for welding procedures, welders, and welding operators",1952 ed,American Society of Mechanical Engineers,1952,ASME boiler and pressure vessel code,,,,https://cir.nii.ac.jp/crid/1130282272853035264