AAVV, A. Le celebrazioni del 75° anniversario dell’Istituto Geografico Militare Italiano. Annals of Geophysics, [S. l.], v. 1, n. 1, p. 126–127, 1948. DOI: 10.4401/ag-6003. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6003. Acesso em: 23 may. 2022.