CALOI, P., and F. PERONACCI. “IL BATISISMO DEL 28 AGOSTO 1946 E LA PRONDITA’ DEL NUCLEO TERRESTRE”. Annals of Geophysics 2, no. 4 (November 25, 1949): 493–502. Accessed January 22, 2022. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5981.