Variscite from Hunedoara County, Romania
Romania | |
| Onac, B.P., Kearns, J., Breban, R., and Pânzaru, S.C. (2005): Proceedings of the Annual Scientific Session of The Geological Society of Romania, Rosia Montana, 20-21 May 2005, 93. |
| Onac, B. P. (2009): ACTA CARSOLOGICA 38/1, 27-39 |