其他書名 | Concentration of Manganese-bearing Ore from the Interstate Manganese Co., Johnson County, Tenn. Pre-dressing studies of manganese ores |
出版 | U.S. Department of the Interior, Bureau of Mines, 1942 |
URL | http://books.google.com.hk/books?id=ArFlzQEACAAJ&hl=&source=gbs_api |