@inproceedings{sgem2004paper,
  title = {MINIMIZING THE AVERAGE ANNUAL EXPENSES FOR REPAIR AND MAINTENANCE OF MINE ROADS BY THE USE OF BETWEEN-REPAIR SCHEMES},
  author = {I. Markov and A. Smilyanov and D. Hristanov and V. Balikov},
  booktitle = {4th International Scientific Conference - SGEM2004},
  year = {2004},
  pages = {97-102},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}