BIZZARRI, R.; ALBIANELLI, A.; ARGENTI, P.; BALDANZA, A.; COLACICCHI, R.; NAPOLEONE, G. THE LATEST CONTINENTAL FILLING OF VALLE UMBRA (TIBER BASIN, CENTRAL ITALY) DATED TO ONE MILLION YEARS AGO BY MAGNETOSTRATIGRAPHY . Alpine and Mediterranean Quaternary, [S. l.], v. 24, n. 1, p. 51–65, 2010. Disponível em: https://amq.aiqua.it/index.php/amq/article/view/240. Acesso em: 28 jun. 2022.