Bremer J, Lastovicka J, Tulunay Y. Influence of the interplanetary magnetic field on the variability of the mid-latitude F2-layer. Ann. Geophys. [Internet]. 1996Nov.25 [cited 2024Apr.16];39(4). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4005