MARÍN, L. E.; PÉREZ, X.; RANGEL, E. Comparison of three surveying techniques applied to hydrogeological studies: level, barometer, and GPS. Geofísica Internacional, [S. l.], v. 37, n. 2, p. 127–129, 1998. DOI: 10.22201/igeof.00167169p.1998.37.2.401. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/584. Acesso em: 29 abr. 2024.