Bizzarri, R., Albianelli, A., Argenti, P., Baldanza, A., Colacicchi, R., & Napoleone, G. (2010). THE LATEST CONTINENTAL FILLING OF VALLE UMBRA (TIBER BASIN, CENTRAL ITALY) DATED TO ONE MILLION YEARS AGO BY MAGNETOSTRATIGRAPHY . Alpine and Mediterranean Quaternary, 24(1), 51-65. https://amq.aiqua.it/index.php/amq/article/view/240