Fernandez, E., Ortiz, J., Perez-Perez, A., Prats, E., Turbon, D., Torres, T., & Arroyo-Pardo, E. (2009). Aspartic acid racemization variability in ancient human remains: implications in the prediction of ancient DNA recovery. Journal of Archaeological Science, 36, 965-972. https://doi.org/10.1016/j.jas.2008.11.009