TY - CPAPER AU - Andrzej Harat AU - Zdzislaw Adamczyk AU - Agnieszka Klupa TI - ECONOMIC AND ENVIRONMENTAL ASPECTS OF THE LIQUIDATION OF COAL MINES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference PY - 2017 SP - 267 EP - 274 DO - 10.5593/sgem2017/54/s23.035 PB - STEF92 Technology ER -