TY - CPAPER AU - Catalin-Gabriel Borcia TI - EVALUATING THE EFFICIENCY OF RARE EARTH ELEMENTS RECOVERY FROM TAILINGS USING ENVIRONMENTALLY FRIENDLY METHODS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies PY - 2017 SP - 75 EP - 82 DO - 10.5593/sgem2017h/43/s18.010 PB - STEF92 Technology ER -