MEDI, E. Sull’origine del Campo Magnetico Terrestre. Annals of Geophysics, [S. l.], v. 1, n. 3, p. 344–349, 1948. DOI: 10.4401/ag-6067. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6067. Acesso em: 26 oct. 2021.