TY - CPAPER AU - Annie Shoumkova TI - TIME-DEPENDENCE OF THE ZEOLITIZATION OF FLY ASH FROM MARITSA 3 TPP, BULGARIA: SEM-EDX INVESTIGATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s20.179 PB - Stef92 Technology ER -