Ravazzi, Cesare. “AN OVERVIEW OF THE QUATERNARY CONTINENTAL STRATIGRAPHIC UNITS BASED ON BIOLOGICAL AND CLIMATIC EVENTS IN ITALY”. Alpine and Mediterranean Quaternary 16, no. 1 bis (November 18, 2003): 11–18. Accessed April 4, 2025. https://amq.aiqua.it/index.php/amq/article/view/573.