Plio-Quaternary geological evolution of the high Salto river valley (Central Italy): the Marano de’ Marsi unit (E. Chiarini, M. Giardini, M. Mattei, F. Papasodaro, M. Porreca, & L. Sadori , Trans.). (2009). Alpine and Mediterranean Quaternary, 22(2), 325-344. https://amq.aiqua.it/index.php/amq/article/view/314