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. National Bureau of Standards,"Mass spectroscopy in physics research : Proceedings of the NBS semicentennial symposium on mass spectroscopy in physics research, held at the NBS on September 6, 7, and 8, 1951",,[s.n.],1953,National Bureau of Standards circular,,,,https://cir.nii.ac.jp/crid/1130282273337350784