Richards, R. H. (1903). Ore dressing / Robert H. Richards. Engineering and Mining Journal.
Chicago Edition CitationRichards, Robert H. Ore Dressing / Robert H. Richards. Engineering and Mining Journal, 1903.
MLA Edition CitationRichards, Robert H. Ore Dressing / Robert H. Richards. Engineering and Mining Journal, 1903.
Warning: These citations may not always be 100% accurate.