DE FRANCESCHI, G.; DE SANTIS, A. PASHA: regional long-term predictions of ionospheric parameters by ASHA. Annals of Geophysics, [S. l.], v. 37, n. 2, 1994. DOI: 10.4401/ag-4228. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4228. Acesso em: 29 nov. 2021.