Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kimura Osamu and Chiba Akira,Production of highly pure iron oxide using a solvent extraction method.,Journal of the Japan Society of Powder and Powder Metallurgy,05328799,Japan Society of Powder and Powder Metallurgy,1989,36,3,267-271,https://cir.nii.ac.jp/crid/1390001206307910272,https://doi.org/10.2497/jjspm.36.267