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Fernández-Jalvo, Y.; Díez, J. C.; Cáceres, I. and Rosell, J. (1 september 1999). ”Human cannibalism in the Early Pleistocene of Europe (Gran Dolina, Sierra de Atapuerca, Burgos, Spain)”. Journal of Human Evolution (Academic Press) "37" (34): ss. 591-622. doi:10.1006/jhev.1999.0324. PMID 10497001.
Bermúdez de Castro, J. M.; Arsuaga, J. L.; Carbonell, E.; Rosas, A.; Martínez, I. and Mosquera, M. (5 januari 1997). ”A hominid from the lower Pleistocene of Atapuerca, Spain: possible ancestor to Neandertals and modern humans”. Science "276" (5317): ss. 1392-1395. doi:10.1126/science.276.5317.1392. PMID 9162001.