PAVLOV, A. V.; PAVLOVA, N. M. 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. Annals of Geophysics, [S. l.], v. 60, n. 3, p. A0327, 2017. DOI: 10.4401/ag-6969. Disponível em: Acesso em: 17 jul. 2024.