G. Napoleone, A. Albianelli, A. Azzaroli, A. Bertini, M. Magi, and M. Mazzini , Trans., “CALIBRATION OF THE UPPER VALDARNO BASIN TO THE PLIO-PLEISTOCENE FOR CORRELATING THE APENNINE CONTINENTAL SEQUENCES”, AMQ, vol. 16, no. 1 bis, pp. 131–166, Nov. 2003, Accessed: Nov. 21, 2024. [Online]. Available: https://amq.aiqua.it/index.php/amq/article/view/583