Bismuthinite from Haskovo Province, Bulgaria
Bulgaria | |
| Kerestedjian, T. (1997) Argentopentlandite (Fe, Ni)8+хАg1-xS8 from Kamilski dol – a new mineral species for Bulgaria. Review of the Bulgarian Geological Society 58: 15-18. |
| McCoyd, R. J. (1995). Isotopic and geochemical studies of the epithermal-mesothermal Pb-Zn deposits of SE Bulgaria (Doctoral dissertation, University of Aberdeen). |