TY - CPAPER AU - Witold Pytel TI - ROOF FALL HAZARD DUE TO BLASTING ACTIVITY IN THE LIGHT OF NUMERICAL MODELING AND UNDERGROUND MEASUREMENTS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining PY - 2018 SP - 809 EP - 816 DO - 10.5593/sgem2018/1.3/s03.103 PB - STEF92 Technology ER -