Miodrag Žikić (2011). REVIEW OF THE ACHIEVED PRODUCTIVITY OF THE COMBINED OVERBURDEN HAULAGE SYSTEM AT THE VELIKI KRIVELJ OPEN PIT - SERBIA. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference. https://doi.org/10.5593/sgem2011/s03.134