TY - CPAPER AU - Karolina Kossakowska AU - Katarzyna Grzesik AU - Ryszard Kozakiewicz TI - SCREENING LIFE CYCLE ASSESSMENT OF RARE EARTH ELEMENTS CONCENTRATE PRODUCTION FROM MINING WASTE, COVAS, PORTUGAL T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies PY - 2017 SP - 213 EP - 220 DO - 10.5593/sgem2017h/43/s18.027 PB - STEF92 Technology ER -