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Mallegni, F. 2003. Homo cepranensis sp. nov. and the evolution of African-European Middle Pleistocene hominids. Comptes rendus de l'Académie des sciences. svezak 2 (broj 2): str. 153. – 159. doi:10.1016/S1631-0683(03)00015-0. ISSN1631-0683