GALINDO, I.; BRAVO, J. L. On the presence of a volcanic stratospheric dust stratum over a polluted atmosphere: Mexico City. Geofísica Internacional, [S. l.], v. 15, n. 2, p. 157–167, 1975. DOI: 10.22201/igeof.00167169p.1975.15.2.1138. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1512. Acesso em: 13 may. 2024.