著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) P. J. Becker and P. Coppens,Extinction within the limit of validity of the Darwin transfer equations. II. Refinement of extinction in spherical crystals of SrF2and LiF,Acta Crystallographica Section A,0567-7394,International Union of Crystallography (IUCr),1974-03-01,30,2,148-153,https://cir.nii.ac.jp/crid/1363670319305747840,https://doi.org/10.1107/s0567739474000349