Trinkaus, E., Marks, A. E., Brugal, J.-P., Bailey, S. E., Rink., W. J., & Richter, D. (2003). Later Middle Pleistocene Human Remains from the Almonda Karstic System, Torres Novas, Portugal. Journal of Human Evolution, 45, 219-226. doi:10.1016/j.jhevol.2003.07.001.