TY - CPAPER AU - Barbara Bialecka AU - Magdalena Cempa AU - Arkadiusz Bauerek AU - Joanna Calus Moszko TI - VARIABILITY OF RARE EARTH ELEMENTS CONTENT IN ASH AND SLAG DEPOSITED AT A LANDFILL SITE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies PY - 2017 SP - 275 EP - 282 DO - 10.5593/sgem2017h/43/s18.035 PB - STEF92 Technology ER -