Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Nagai, Noriko and Ohkawa, Yoko and Shingu, Mayumi and Yagi, Sachiko and Iwata, Giiti",An Improvement in the Spherical Approximation of an Ising Spin System,お茶の水女子大學自然科學報告,00298190,お茶の水女子大学,1977-12,28,2,59-66,https://cir.nii.ac.jp/crid/1050282677926755328,