TY - CPAPER AU - E. Sermet TI - STAGES OF SELECTION OF THE COAL RESOURCES BASE FOR UNDERGROUND GASIFICATION - ON AN EXAMPLE OF THE LUBLIN COAL BASIN (POLAND) T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining PY - 2019 SP - 537 EP - 544 DO - 10.5593/sgem2019/1.1/s01.066 PB - STEF92 Technology ER -