DIODATO, L. Sui confini della regione accessibile ai protoni riflessi dall’onda d’urto terrestre. Annals of Geophysics, [S. l.], v. 29, n. 1-2, p. 121–131, 1976. DOI: 10.4401/ag-4796. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4796. Acesso em: 20 sep. 2021.