1. United Nations, Manual on the Effective Prevention and Investigation of Extra-Legal, Arbitrary and Summary Executions, United Nations Office at Vienna, Centre for Social Development and Humanitarian Affairs, New York, 1991.
2. S.C. Clark, M.F. Ernst, W.D. Haglund, J.M. Jentzen, The Medicolegal Death Investigator, A Systematic Training Program for the Professional Death Investigator, Occupational Research and Assessment Inc., Big Rapids, 1996.
3. The stratigraphic sequence: a question of time;Harris;World Archaeol.,1975
4. J. Hunter, C. Roberts, A. Martin, Studies in Crime: An Introduction to Forensic Archaeology, Batsford, London, 1996.
5. Biological and chemical hazards of forensic skeletal analysis;Galloway;J. Forensic Sci.,1998