Petrov D. USE OF UNMANNED AERIAL VEHICLES FOR THE NEEDS OF GEODESY AND CADASTRE: USE OF UNMANNED AERIAL VEHICLES FOR THE NEEDS OF GEODESY AND CADASTRE. JSAR [Internet]. 2023 Mar. 10 [cited 2024 Nov. 21];6(1):133-40. Available from: https://jsar.ftn.shu.bg/index.php/jsar/article/view/150