1. SpringerE.The development and application of a system for toolmark comparisons using a digitized image[Master's thesis].Chicago IL:University of Illinois at Chicago Graduate College 1994.
2. University of Lausanne founded in 1537;https://www.unil.ch/central/en/home/menuinst/unil-en-bref/hier-et-aujourdhui.html(accessed September 26 2018).
3. Edmond Locard;http://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/locard-edmond(accessed September 26 2018).
4. Toolmark Examinations—A Review of Its Development in the Literature
5. The missile and the weapon;Hall AL;Buffalo Med J,1900