Bojilova, Rumiana, and Plamen Mukhtarov. “Geomagnetic Correlations of Ionospheric F2 Layer Peak Electron Density Height for Ionospheric Station Rome, Italy”. Proceedings of the Bulgarian Academy of Sciences 78, no. 9 (September 29, 2025): 1319–1325. Accessed October 27, 2026. https://www.proceedings.bas.bg/index.php/cr/article/view/838.