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Bulgaria | |
| Bul. Acad. Sci. (1998) |
| Kerestedjian, T. et al. (2007): Godlevskite Ni9S8 from Dobromirtsi, Central Rhodopes, Bulgaria: First report for the country and genetic implications. Geochemistry, Mineralogy and Petrology 45, 19-28. (in Bulgarian with English abs.) |
| Тарасова, Е. Ni-Co-Fe сулфоарсениди и сулфиди и техните минерални парагенези от Звездел-Пчелоядското рудно поле, Източни Родопи. |
| Dimitrova, D. et al. (2006): Bulgar. Acad. Sci. Annual Report No. 12, 32-33. |
| Kalaidjiev, S. [Калайджиев, С.] (2009) Metallogenic problems of the Balkanides [Металогенни проблеми на Балканидите]. Review of the Bulgarian Geological Society [Списание на Българското Геологического Дружество], 70, 1-3, 222-242 (in Bulgarian) |
| 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 |
- Balkan Mts (Stara Planina)
| tin.er.usgs.gov (n.d.) http://tin.er.usgs.gov/sedznpb/show-sedznpb-xml.php?rec_id=67 |