Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KIM Sung-sik and TAKAGI Osamu and OBATA Naomi and KIRIHARA Tomoo,Micro-Hardness of Non-Irradiated Uranium Dioxide,Journal of the Atomic Energy Society of Japan,00047120,Atomic Energy Society of Japan,1983,25,2,140-147,https://cir.nii.ac.jp/crid/1390282681527076992,https://doi.org/10.3327/jaesj.25.140