Kumetaitis, Algirdas, and Aušra Kumetaitienė. “Perfection of Technology in Compiling the Optimal Digital Terrain Model”. Geodesy and Cartography 31, no. 2 (August 3, 2012): 57-61. Accessed December 2, 2024. https://ijspm.vgtu.lt/index.php/GAC/article/view/10976.