Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Weld, Christopher Minot and Crane, Walter Richard and Gillett, Horace Wadsworth and Hoyt, Samuel L. and Hunter, W. H. and Newton, Edmund and Phalen, William Clifton and Royster, Percy H. and Van Barneveld, Charles Edwin and Williams, C. E. and Christianson, Peter","Manganese : uses, preparation, mining costs and the production of ferro-alloys",,Government Printing Office,1920,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282271305616640