Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KATOH Akira,Radioactive and Radiation Standards (II),RADIOISOTOPES,00338303,Japan Radioisotope Association,1979,28,4,274-283,https://cir.nii.ac.jp/crid/1390282679133018496,https://doi.org/10.3769/radioisotopes.28.4_274