TY - CPAPER AU - M. Dudek AU - Z. Krysa AU - Leszek Jurdziak AU - W. Kawalec TI - POWER STATION EFFICIENCY AS ONE OF PROFITABILITY KEY FACTORS IN JOINT OPERATION OF MINE AND LIGNITE OR COAL FIRED POWER STATION ELECTRICITY GENERATION PROJECT T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference PY - 2017 SP - 619 EP - 628 DO - 10.5593/sgem2017/53/s21.077 PB - STEF92 Technology ER -