Panza, G. F., A. Rovelli, A. Caserta, L. Malagnini, and F. Marra. “Quot”;. Annals of Geophysics 38, no. 3-4 (November 25, 1995). Accessed April 25, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4108.