Sardella, Raffaele, et al. , translators. “ITALIAN PLIO-PLEISTOCENE MAMMAL BIOCHRONOLOGY AND CORRELATION WITH MARINE SEQUENCES: THREE CASE STUDIES”. Alpine and Mediterranean Quaternary, vol. 16, no. 1, Feb. 2003, pp. 15-20, https://amq.aiqua.it/index.php/amq/article/view/589.