L. Starkel, “Space and time scales in Geomorphology”, Geog. Fis. Dinam. Quat., vol. 3, no. 3, pp. 61–66, Jan. 1999, Accessed: Mar. 16, 2026. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1161