International Association of Geomorphologists, “IAG Newsletter No. 18 (1/2001)”, Geog. Fis. Dinam. Quat., vol. 24, no. 1, pp. 115–126, Jun. 2001, Accessed: May 16, 2025. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/448