Tungstite from
Bolivia | |
| Wilson, Wendell E. (2001) Notes From the Editors - Old Yuma mine. The Mineralogical Record, 32 (6) 426-501 |
Petrov, A., Smith, B., Smith, C. (2001) A Guide to Mineral Localities in Bolivia. The Mineralogical Record: 32(6): 457-482. | |
| Wilson, Wendell E. (2001) Notes From the Editors - Old Yuma mine. The Mineralogical Record, 32 (6) 426-501 |