ZEREFOS, C. S. Evidence of the El Chichón stratospheric volcanic cloud in Northern Greece. Geofísica Internacional, [S. l.], v. 23, n. 2, p. 299–304, 1984. DOI: 10.22201/igeof.00167169p.1984.23.2.844. Disponível em: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1128. Acesso em: 7 may. 2024.