TY - CPAPER AU - Radu-Fanel Lupuleac TI - CONSIDERATIONS REGARDING THE APPLICATION OF THE EXPLOITIATION METHOD WITH THE UNDERMINED BANK AT THE EXPLOITATION OF THICK LAYERS OF COAL IN THE JIU VALLEY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining PY - 2016 DO - 10.5593/sgem2016/b12/s03.025 PB - Stef92 Technology ER -