Collophane from Kunming, Yunnan, China
China | |
| Mu Yang and Shenglin Peng (2006): Contributions to Geology and Mineral Resources Research 21(4), 227-231 |
| Chernoff, C.B. and Orris, G.J. (2002): USGS Open-File Report 02-156-A. |
| Huaikui Tu (2001): Northwestern Uranium Geology 27(1), 13-16 |