Coisson, P., S. M. Radicella, and B. Nava. “Comparisons of Experimental Topside Electron Concentration Profiles With IRI and NeQuick Models”. Annals of Geophysics 45, no. 1 (December 25, 2002). Accessed April 19, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3492.