Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) INOUE Tsuyoshi,In Memoriam of Professor Yasushi KAI(1943-2017),Nihon Kessho Gakkaishi,0369-4585,The Crystallographic Society of Japan,2017,59,6,316-317,https://cir.nii.ac.jp/crid/1390001204089721728,https://doi.org/10.5940/jcrsj.59.316