Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watanabe ShirĂ´,Fractional Determination of Ferro-Manganese and Manganese Monoxide in Reduced Manganese Ores,Journal of the Japan Institute of Metals and Materials,00214876,The Japan Institute of Metals and Materials,1960,24,4,221-225,https://cir.nii.ac.jp/crid/1390001206481059584,https://doi.org/10.2320/jinstmet1952.24.4_221