Manevski, Vladimir, Delipetrov, Marjan, Doneva, Blagica, Delipetrov, Todor (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, 831 - 838 pp. https://doi.org/10.5593/sgem2013/ba1.v2/s05.020