LIPEROVSKAYA, Elena V.; SILINA, Alexandra S.; LIPEROVSKY, Victor A.; MEISTER, Claudia-Veronika; HOFFMANN, Dieter H.H.; BIAGI, Pier Francesco. Midnight variations of spreading of ionospheric sporadic E-layers before earthquakes. Annals of Geophysics, [S. l.], v. 55, n. 1, 2012. DOI: 10.4401/ag-5267. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5267. Acesso em: 11 apr. 2026.