AFRAIMOVICH, E. L.; ALTYNSEV, A. T.; GRECHNEV, V. V.; LEONOVICH, L. A. The response of the ionosphere to faint and bright solar flares as deduced from global GPS network data. Annals of Geophysics, [S. l.], v. 45, n. 1, 2002. DOI: 10.4401/ag-3480. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3480. Acesso em: 28 nov. 2021.