@inproceedings{sgem2011s03134, title = {REVIEW OF THE ACHIEVED PRODUCTIVITY OF THE COMBINED OVERBURDEN HAULAGE SYSTEM AT THE VELIKI KRIVELJ OPEN PIT - SERBIA}, author = {Miodrag Žikić}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference}, year = {2011}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2011/s03.134} }