F. Campanino, G. Mortara, and G. Peyronel, “La cartografia glaciologica autografa di Federico Sacco: The autographed maps of Federico Sacco, Glaciologist”, Geog. Fis. Dinam. Quat., vol. 21, no. 2, pp. 271–272, Dec. 1998, Accessed: Mar. 13, 2026. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/498