BARBERA, L., M. CURATOLO, M. M. INDOVINA ADDARIO, D. PALUMBO, and M. SANTANGELO. “RADIOATTIVITÀ DI UNA LAVA ETNEA STUDIO QUANTITATIVO”. Annals of Geophysics 6, no. 2 (November 25, 1953): 161–172. Accessed May 20, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5771.