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 National Council on Radiation Protection and Measurements,Structural shielding design and evaluation for medical use of X-rays and gamma rays of energies up to 10 MeV : recommendations of the National Council on Radiation Protection and Measurements,3rd reprinting,National Council on Radiation Protection and Measurements,1994,NCRP report,,0913392316,,https://cir.nii.ac.jp/crid/1130000794836790912