Gallo, L.M., and R. Piervittori , trans. “Lichenometry As a Method for Holocene Dating: Limits in Its Applications and Reliability ”. Alpine and Mediterranean Quaternary 6, no. 1 (February 27, 1993): 77–86. Accessed November 23, 2024. https://amq.aiqua.it/index.php/amq/article/view/1247.