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
"Lummer, O. (Otto) and Pringsheim, E. (Ernst)","A determination of the ratio (x) of the specific heats at constant pressure and at constant volume for air, oxygen, carbon-dioxide, and hydrogen",,Smithsonian Institution,1898,Smithsonian contributions to knowledge,,,,https://cir.nii.ac.jp/crid/1130282272221367424