Emilia Tcherkezova, Tsvetan Kotsev, Georgi Zhelezov, Velimira Stoyanova. "APPLYING UAV PHOTOGRAMMETRY DATA FOR HIGH-RESOLUTION GEOMORPHOLOGICAL MAPPING OF A PART OF THE LOM RIVER VALLEY NEAR THE VILLAGE OF VASILOVTSI (BULGARIA)." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing, 2020, pp. 183-190. https://doi.org/10.5593/sgem2020/2.2/s10.022