Warnant R, Foelsche U, Aquino M, Bidaine B, Gherm V, Hoque MM, Kutiev I, Lejeune S, Luntama J-P, Spits J, Strangeways HJ, Wautelet G, Zernov N, Jakowski N. Mitigation of ionospheric effects on GNSS. Ann. Geophys. [Internet]. 2009Apr.25 [cited 2024Apr.24];52(3-4):373-90. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4585