TY - CPAPER AU - JAN KUDELKO TI - SELECTION OF THE PART OF PERSPECTIVE LIGNITE DEPOSIT FOR EXPLORATION WITH REGARD OF APPLICATION THE UNDERGROUND GASIFICATION METHOD T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s03.v1054 PB - Stef92 Technology ER -