AAVV, AAVV. “ASSOCIAZIONE GEOFISICA ITALIANA RELAZIONE DEL IV CONVEGNO ANNUALE”. Annals of Geophysics 7, no. 3 (November 25, 1954): 469–485. Accessed September 26, 2022. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5710.