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Finland | |
| Makkonen, Hannu 1991. Viholanniemen Zn-esiintymän tutkimuksesta vuosina 1984-1988. Geologian Tutkimuskeskus arkistoraportti M19/3234/-91/1/10 |
| Eilu, Pasi (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining. Rovaniemi. Kontoniemi, O., Johanson, B., Kojonen, K., & Pakkanen, L. (1991). Ore mineralogy of the Osikonmäki gold deposit, Rantasalmi, southeastern Finland. Geological Survey of Finland, Special Paper, 12, 81-89. |
| Eilu, Pasi (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining. Rovaniemi. |
| Geological Survey of Finland 2007 Hietajärvi - Gold Database |