- Panagyurishte Municipality
| Hikov, A., Lerouge, C., Velinova, N. (2010): Geochemistry of alunite group minerals in advanced argillic altered rocks from the Asarel porphyry copper deposit, Central Sredno¬gorie. Review of the Bulgarian Geological Society 71, 133-148. Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 |