Capezzuoli, Enrico, Anna Gandin, and Fabio Sandrelli , trans. 2008. “Evidence of Associated Deposition of Travertine and Calcareous Tufa in the Quaternary Carbonates of Valdelsa Basin (Tuscany)”. Alpine and Mediterranean Quaternary 21 (1B): 113-24. https://amq.aiqua.it/index.php/amq/article/view/340.