CALIBRATION OF THE UPPER VALDARNO BASIN TO THE PLIO-PLEISTOCENE FOR CORRELATING THE APENNINE CONTINENTAL SEQUENCES (G. Napoleone, A. Albianelli, A. Azzaroli, A. Bertini, M. Magi, & M. Mazzini , Trans.). (2003). Alpine and Mediterranean Quaternary, 16(1 bis), 131-166. https://amq.aiqua.it/index.php/amq/article/view/583