TY - CPAPER AU - A. Shoumkova AU - V. Stoyanova TI - TRACE ELEMENTS IN FLY ASHES FROM “VARNA”, “BOBOV DOL”, “MARITZA IZTOK I”, “MARITZA ІІІ”, „REPUBLIKA” AND “ROUSSE IZTOK” POWER PLANTS, BULGARIA T2 - 6th International Scientific Conference - SGEM PY - 2006 SP - 349 EP - 358 PB - SGEM Scientific GeoConference ER -