AGUDELO OSPINA, J. J. VIAS - freeware for road highway, topography and GIS. Revista Ingeniería de Construcción, [S. l.], v. 23, n. 1, p. 52–59, 2008. DOI: 10.4067/S0718-50732008000100006. Disponível em: https://revistachilenadederecho.uc.cl/index.php/ric/article/view/16839. Acesso em: 5 oct. 2024.