1. Bite-marks;Cameron,1974
2. Bite Marks;Gustafson,1966
3. The Biggar Murder. Dental, Medical, Police and Legal Aspects;Harvey;J. Forens. Sci. Soc.,1968
4. Pederson, P. O., and Keiser-Nielson, S., 1961, cited by Gustafson, G., 1966, in Forensic Odontology, p.146, Staples Press, London.