Smiraglia, Claudio, Valter Maggi, Alberto Novo, Giancarlo Rossi, and Peter Johnston. “Preliminary Results of Two Ice Core Drillings on Monte Rosa (Colle Gnifetti and Colle Del Lys), Italian Alps”. Geografia Fisica e Dinamica Quaternaria 23, no. 2 (December 31, 2000): 165–172. Accessed December 13, 2025. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/454.