DEL NEGRO, C.; FERRUCCI, F.; NAPOLI, R. Retrieval of large volcanomagnetic effects observed during the 1981 eruption of Mt.Etna. Annals of Geophysics, [S. l.], v. 40, n. 2, 1997. DOI: 10.4401/ag-3903. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3903. Acesso em: 26 apr. 2024.