Ambach, Walter, Edda Ambach, and Wolfgang Tributsch. “Casualties Immersed in Glacier Ice. Clear and Doubtful Cases from Glaciological View”. Geografia Fisica e Dinamica Quaternaria 15, no. 1-2 (December 31, 1992): 17–19. Accessed September 21, 2025. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/721.