Garcia, N., Feranec, R.S., Passey, B.H., Cerling, T.E., Arsuaga, J.L., 2015. Exploring the Potential of Laser Ablation Carbon Isotope Analysis for Examining Ecology during the Ontogeny of Middle Pleistocene Hominins from Sima de los Huesos (Northern Spain). PLOS ONE 10, e0142895. doi:10.1371/journal.pone.0142895

Garcia, N., Feranec, R.S., Arsuaga, J.L., de Castro, J.M.Bermude, Carbonell, C., 2009. Isotopic Analysis of the Ecology of Herbivores and Carnivores from the Middle Pleistocene Deposits of the Sierra de Atapuerca, Northern Spain. Journal of Archaeological Science 36, 1142-1151. doi:10.1016/j.jas.2008.12.018