PÉREZ-DE-TEJADA, H. Ionospheric measurements conducted during the July 11,1991 solar total eclipse at the ionospheric station "El Cerrillo", Mexico. Geofísica Internacional, [S. l.], v. 32, n. 1, p. 15–20, 1993. DOI: 10.22201/igeof.00167169p.1993.32.1.1148. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1344. Acesso em: 22 jul. 2024.