TY - CPAPER AU - Beata Gibesova AU - Vaclav Zubicek AU - Kamila Dobesova Doc. Dana Vrublova TI - OPTIMIZING OF COSTS AND REVENUES ON STONE AND COAL QUARRIES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 621 EP - 628 DO - 10.5593/sgem2017/13/s03.079 PB - STEF92 Technology ER -