MOLINA, F. IL CAMPO GEOMAGNETICO. Annals of Geophysics, [S. l.], v. 25, n. 3 Sup., p. 5–100, 1972. DOI: 10.4401/ag-5148. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5148. Acesso em: 29 mar. 2024.