Stanislawa Porzycka. "PRELIMINARY RESULTS OF GROUND DEFORMATIONS MONITORING WITHIN MINING AREA OF PROSPER-HANIEL COAL MINE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012. https://doi.org/10.5593/sgem2012/s08.v2007