SSESSANGA, N.; MCKINNELL, L.-A.; HABARULEMA, J. B. Introduction of new data into the South African Ionospheric Map to improve the estimation of F2 layer parameters. Annals of Geophysics, [S. l.], v. 58, n. 2, p. A0223, 2015. DOI: 10.4401/ag-6704. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6704. Acesso em: 27 oct. 2021.