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 International Atomic Energy Agency,Worldwide open proficiency test IAEA-CU-2007-09/A : determination of Po-210 in water : IAEA-CU-2007-09/A,,International Atomic Energy Agency,2009,IAEA analytical quality in nuclear applications,,,,https://cir.nii.ac.jp/crid/1130000794931576704