著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United Nations. Economic and Social Council and 八幡製鉄株式會社渉外部渉外第二課,Preliminary report on the possibility of joint research in treating low grade coal and iron ores. Including lignites and laterites,,八幡製鉄株式會社渉外部渉外第二課,1950,Economic Commission for Asia and the Far East Committee on Industry and Trade,,,,https://cir.nii.ac.jp/crid/1130000797270238080