Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kojima Kenichi and Komaru Takeshi and Hihara Tadamiki and Koi Yoshitaka,ESR Study of Hyperfine Coupling Constants of Eu2+ in Alkaline Earth Chalcogenides—Transferred Hyperfine Field in Eu-Chalcogenides,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1976,40,6,1570-1574,https://cir.nii.ac.jp/crid/1390282679163106432,https://doi.org/10.1143/jpsj.40.1570