Berteška, Tautvydas, and Birutė Ruzgienė. “Photogrammetric Mapping Based on UAV Imagery”. Geodesy and Cartography 39, no. 4 (December 18, 2013): 158-163. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/4076.