TY - CPAPER AU - Miodrag Žikić TI - REVIEW OF THE ACHIEVED PRODUCTIVITY OF THE COMBINED OVERBURDEN HAULAGE SYSTEM AT THE VELIKI KRIVELJ OPEN PIT - SERBIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s03.134 PB - Stef92 Technology ER -