1.
Pavlov AV, Pavlova NM. Long-term monthly statistics of the mid-latitude ionospheric E-layer peak electron density in the Northern geographic hemisphere during geomagnetically quiet and steadily low solar activity conditions. Ann. Geophys. [Internet]. 2017 May 4 [cited 2026 May 9];60(3):A0327. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6969