Belenok, Vadim, Yuriy Velikodsky, Oleksandr Nikolaienko, Nataliia Rul, Sergiy Kryachok, and Tetiana Malik. “Comparative Analysis for Methods of Building Digital Elevation Models from Topographic Maps Using Geoinformation Technologies”. Geodesy and Cartography 47, no. 4 (December 13, 2021): 191-199. Accessed December 2, 2024. https://ijspm.vgtu.lt/index.php/GAC/article/view/13208.