TY - CPAPER AU - I. Markov AU - A. Smilyanov AU - D. Hristanov AU - V. Balikov TI - MINIMIZING THE AVERAGE ANNUAL EXPENSES FOR REPAIR AND MAINTENANCE OF MINE ROADS BY THE USE OF BETWEEN-REPAIR SCHEMES T2 - 4th International Scientific Conference - SGEM2004 PY - 2004 SP - 97 EP - 102 PB - SGEM Scientific GeoConference ER -