TY - CPAPER AU - Maria Asenova TI - GIS-BASED ANALYSIS OF THE TREE HEALTH PROBLEMS USING UAV IMAGES AND SATELLITE DATA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Water Resources. Forest, Marine and Ocean Ecosystems PY - 2018 SP - 813 EP - 820 DO - 10.5593/sgem2018/3.2/s14.104 PB - STEF92 Technology ER -