Denisenko, Valery V., and Michael J. Rycroft. “WWLLN Data Used to Model the Global Ionospheric Electric Field Generated by Thunderstorms”. Annals of Geophysics 65, no. 5 (October 26, 2022): PA536. Accessed May 13, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/8821.