Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ikeya Motoji and Itoh Noriaki and Okada Touichi and Suita Tokuo,Study of the Enhancement of X-Ray Coloration of NaCl by Divalent Impurities,Journal of the Physical Society of Japan,0031-9015,THE PHYSICAL SOCIETY OF JAPAN,1966,21,7,1304-1309,https://cir.nii.ac.jp/crid/1390282679166930048,https://doi.org/10.1143/jpsj.21.1304