1. J.G. Clement, M.K. Marks, Computer Graphic Facial Reconstruction, Elsevier Academic Press, Amsterdam, pp.36.
2. K.T. Taylor, Forensic Art and Illustration, CRC Press, Boca Raton, pp. 350-352.
3. C.Wilkinson, Forensic Facial Reconstruction, Cambridge University Press, Cambridge, pp. 114-9, 124-56.
4. The Human Skeleton in Forensic Medicine;Krogman,1986