1.
Bianchi C, Ciraolo L, Scotto C. Low ionospheric observations by means of the software receiver for Omega signal. Ann. Geophys. [Internet]. 1994 Apr. 18 [cited 2026 Apr. 1];37(1). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4237