| 其他書名 | Metallurgical Division. Silver-recovery studies : some factors affecting the flotation of silver minerals |
| 出版 | U.S. Department of the Interior, Bureau of Mines, 1939 |
| URL | http://books.google.com.hk/books?id=kd5jGwx-83UC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |