@inproceedings{sgem2011s03144, title = {THE EXPLOITATION SYSTEM OF SECURING BACKBONE IN UPPER LEVELS - TREPCA MINE, STANTERG}, author = {Izet Zeqiri}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference}, year = {2011}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2011/s03.144} }