Pandolfi, L. “STEPHANORHINUS KIRCHBERGENSIS (JÄGER, 1839) FROM THE MIDDLE PLEISTOCENE DEPOSIT OF RIANO (ROME, CENTRAL ITALY)”. Alpine and Mediterranean Quaternary, vol. 24, no. 1, Aug. 2010, pp. 103-12, https://amq.aiqua.it/index.php/amq/article/view/245.