Mammuthus cf. primigenius (Proboscidea, Mammalia), a new faunal element from the late middle Pleistocene of the Conca river (Cattolica, Romagna, Italy)
Ferretti P.m, Mammuthus cf. primigenius (Proboscidea, Mammalia), a new faunal element from the late middle Pleistocene of the Conca river (Cattolica, Romagna, Italy), Bollettino della Societa paleontologica italiana , 36(3), 1997, pp. 391-398