TRIBALTO, G., and G. AMADEI. “ANOMALIE RESUDUE E DERIVATE SECONDE NELLA INTERPRETAZIONE DEI DATI GRAMIMETRICI”. Annals of Geophysics 9, no. 2 (November 25, 1956): 167–177. Accessed March 29, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5598.