TY - CPAPER AU - Robert Szep TI - REHABILITATION METHOD OF THE AREAS NATURALLY CONTAMINATED WITH HEAVY METALS FROM THE BALAN METALLIFEROUS DISTRICT (ROMANIA, HARGHITA, ORIENTAL CARPATHIANS) IMOBILIZATION BY APATITE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s20.v5091 PB - Stef92 Technology ER -