Anna Pudelko, Marcin Chodak, Katarzyna Grzesik (2017). USEFULNESS OF MINERAL WASTES AFTER EXTRACTION OF RARE ELEMNES FOR RECLAMATION PURPOSES. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation, 1115-1122. https://doi.org/10.5593/sgem2017/52/s20.142