TY - CPAPER AU - Alina BUTU AU - Marian Butu AU - Georgeta Fidler AU - Steliana Rodino TI - RECOVERY AND RECYCLING OF CRITICAL METALS - A STRATEGIC PRIORITY FOR EUROPEAN UNION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 725 EP - 732 DO - 10.5593/sgem2017/13/s03.092 PB - STEF92 Technology ER -