TY - CPAPER AU - J. AuguĊ›cik TI - THE VARIABILITY IN THE CONTENT OF RARE EARTH ELEMENTS (Ce, La, Sc, and Y) IN BITUMINOUS COAL (LUBLIN COAL BASIN) T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining PY - 2018 SP - 603 EP - 610 DO - 10.5593/sgem2018/1.1/s01.076 PB - STEF92 Technology ER -