| Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone: 8: 24-30. Kolesar, P., Brekler, V., Tvrdý, J (1993) Südkirgisien, Quecksilber-Antimon-Lagerstätten und ihre Mineralien [Southern Kyrgyzstan, mercury-antimony deposits and their minerals]. Lapis, 18 (11) 11-24 |