Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUJII Satoshi and SUGIE Yosohiro and MURAOSA Kiyoshi,Change in Structure of Fe3O4 Precipitate by Heat Treatment,NIPPON KAGAKU KAISHI,0369-4577,The Chemical Society of Japan,1974-05-10,1974,5,867-873,https://cir.nii.ac.jp/crid/1390282679395653632,https://doi.org/10.1246/nikkashi.1974.867