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 U. S. National Bureau of Standards.,"Federal and state weights and measures laws, through 1949 enactments. Comp.",,U. S. Govt. Print. Off.,1951,Circular,,,,https://cir.nii.ac.jp/crid/1130000797637925120