TY - CPAPER AU - Hredzak, Slavomir AU - Lovas, Michal AU - Matik, Marek AU - Veres, Jan AU - Znamenackova, rid TI - MINERALOGICAL-CHEMICAL LIMITS OF SLOVAK SPATHIC IRON ORES UPGRADING T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 SP - 645 EP - 652 DO - 10.5593/sgem2015/b11/s4.082 PB - Stef92 Technology ER -