TY - CPAPER AU - A. Smilianov AU - I. Markov AU - I. Koprev AU - V. Balikov TI - THE UNDERLINED OPTIONAL CHARACTER OF THE TECHNOLOGICAL RAILWAY TRANSPORT PROCESS T2 - 5th International Scientific Conference - SGEM2005 PY - 2005 SP - 139 EP - 144 PB - SGEM Scientific GeoConference ER -