TY - CPAPER AU - A. Smilyanov AU - I. Markov AU - D. Hristanov AU - T. Petrov AU - V. Balikov TI - MINE ROADS – AN INSUFFICIENTLY INVESTIGATED FIELD T2 - 4th International Scientific Conference - SGEM2004 PY - 2004 SP - 81 EP - 86 PB - SGEM Scientific GeoConference ER -