BOZZO, E.; LOMBARDO, S.; MERLANTI, F. VLF prospecting: abservations about field experiments. Annals of Geophysics, [S. l.], v. 37, n. 5 Sup., 1994. DOI: 10.4401/ag-4168. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4168. Acesso em: 5 jul. 2022.