TY - JOUR A1 - Velev, D. A1 - Zlateva, P. A1 - Steshina, L. A1 - Petukhov, I. T1 - CHALLENGES OF USING DRONES AND VIRTUAL/AUGMENTED REALITY FOR DISASTER RISK MANAGEMENT JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-3/W8 SP - 437 EP - 440 Y1 - 2019/08/23 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-3-W8/437/2019/ L1 - https://isprs-archives.copernicus.org/articles/XLII-3-W8/437/2019/isprs-archives-XLII-3-W8-437-2019.pdf DO - 10.5194/isprs-archives-XLII-3-W8-437-2019 ER -