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 "Silker, W. B.",The determination of thorium by proportional counting of thoron,,U.S. Atomic Energy Commission,1956,AEC research and development report,,,,https://cir.nii.ac.jp/crid/1130000794540677760