Bakogiannis, Efthimios, Charalampos Kyriakidis, and Vasileios Zafeiris. 2022. “Using Unmanned Aerial Vehicles (UAVs) to Analyze the Urban Environment”. European Journal of Formal Sciences and Engineering 5 (2):50-61. https://doi.org/10.26417/ejef.v3i2.p20-28.