Console, R., and C. GASPARINI. “Recenti Risultati Sulla Velocità Delle Onile Sismiche in Italia Centrale”. Annals of Geophysics 28, no. 1 (November 25, 1975): 65–76. Accessed February 25, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4891.