TY - CPAPER AU - Stanislawa Porzycka TI - PRELIMINARY RESULTS OF GROUND DEFORMATIONS MONITORING WITHIN MINING AREA OF PROSPER-HANIEL COAL MINE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s08.v2007 PB - Stef92 Technology ER -