MOLINA, F., and A. SONAGLIA. “Rilevamento Geomagnetico Degli Apparati Vulcanici Vicano E Sabazio”. Annals of Geophysics 22, no. 2 (November 25, 1969): 147–162. Accessed August 4, 2021. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5086.