Annok, Gerly, Valdar Tammin, and Natalja Liba. “Mobile Laser Scanning Elevation Data Accuracy in Closed and Partially Open Sky Area”. Geodesy and Cartography 47, no. 1 (March 31, 2021): 21-26. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/12044.