TY - CPAPER AU - Gabriela PASCU TI - ECOLOGICAL PROBLEMS ENCOUNTERED IN THE RECYCLING OF A COAL MINING SITE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION PY - 2013 DO - 10.5593/sgem2013/be5.v1/s20.042 PB - Stef92 Technology ER -