TY - CPAPER AU - Nikolay Zhechev TI - ECOLOGY AND LONG-TERM SECURITY OF ROAD INFRASTRUCTURE EXPLOITATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Minining PY - 2018 SP - 231 EP - 238 DO - 10.5593/sgem2018/1.2/s02.029 PB - STEF92 Technology ER -