Bermúdez de Castro, J.M. y Domínguez-Rodrigo, M. 1992. Heterochrony and the paleoanthropological record: the origins o the genus homo reconsidered. Trabajos de Prehistoria. 49, (dic. 1992), 51–68. DOI:https://doi.org/10.3989/tp.1992.v49.i0.507.