Goethite from Smolyan Province, Bulgaria
Bulgaria | |
| Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR |
Bulgarian Academy of Sciences Annual Report No. 13, 43-45. |
Bulgaria | |
| Lips, ALW (2006) A review of non-ferrous mineral deposits in Europe - Finalised initial database BRGM/RP -54957 - FR |
Bulgarian Academy of Sciences Annual Report No. 13, 43-45. |