Chelli, Alessandro, and Claudio Tellini. “Scree Slope Deposits During Cold-Damp Climatic Phase in the Early Middle Ages in the Gulf of La Spezia (Liguria, Italy)”. Geografia Fisica e Dinamica Quaternaria 24, no. 1 (June 30, 2001): 25–28. Accessed November 19, 2025. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/439.