DOMINICI, PIETRO. “ANDAMENTO DELLA IONOSFERA A ROMA NEL PERIODO 1948 - 1953”. Annals of Geophysics 7, no. 4 (November 25, 1954): 503–520. Accessed April 18, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5713.