International Association of Geomorphologists, “IAG Newsletter No. 16 (3-4/1999)”, Geog. Fis. Dinam. Quat., vol. 22, no. 2, pp. 231–245, Dec. 1999, Accessed: Apr. 23, 2025. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/474