TY - CPAPER AU - Weiss, Erik AU - Mixtaj, Ladislav AU - Weiss, Roland AU - Weiss, Gabriel TI - ECONOMIC EVALUATION OF USABILITY OF ABANDONED MINING WORKS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 SP - 439 EP - 446 pp DO - 10.5593/sgem2013/ba1.v1/s03.029 PB - Stef92 Technology ER -