@inproceedings{sgem2005paper,
  title = {THE UNDERLINED OPTIONAL CHARACTER OF THE TECHNOLOGICAL RAILWAY TRANSPORT PROCESS},
  author = {A. Smilianov and I. Markov and I. Koprev and V. Balikov},
  booktitle = {5th International Scientific Conference - SGEM2005},
  year = {2005},
  pages = {139-144},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}