Azanza, B.; Rossner, G.; Ortiz-Jaureguizar E. (2013). "The early Turolian (late Miocene) Cervidae (Artiodactyla, Mammalia) from the fossil site of Dron-Durkheim 1 (German) and implications on the origin of crown cervids". Paleobiodiversity and Paleoenvironments93 (1): 217–258. doi:10.1007/S12549-013-0118-1.