Dragoni W. Idrogeologia del Lago Trasimeno: sintesi, problemi, aggiornamenti: Hydrogeology of Lake Trasimeno: up to day knowledge and problems. Geog. Fis. Dinam. Quat. 1982;5(1):192-206. Accessed May 3, 2026. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/980