Vladimir Manevski (2013). MODELS OF GEO-ELECTRICAL SOUNDING CHARACTERISTIC FOR COAL MINES (R. MACEDONIA). SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING. https://doi.org/10.5593/sgem2013/ba1.v2/s05.020