Aponte Saravia, Jhonathan. “Vertical Accuracy Assessment of Open Access Digital Elevation Models: Bucaramanga-Colombia Case Study”. Geodesy and Cartography 48, no. 1 (May 3, 2022): 36–45. Accessed November 23, 2024. https://bme.vgtu.lt/index.php/GAC/article/view/14266.