RANZI, I. “Aspetti Internazionali Dei Problemi Delle Telecomunicazioni Spaziali”. Annals of Geophysics 16, no. 3 (November 25, 1963): 459–466. Accessed May 25, 2026. https://www.annalsofgeophysics.eu/index.php/annals/article/view/5243.