AURELIO, A., R. CONSOLE, and C. GASPARINI. “La Magnitudo Calcolata Mediante SismoGRAFI a Breve Periodo”. Annals of Geophysics 26, no. 4 (November 25, 1973): 693–703. Accessed April 24, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5031.