1. C. Hessler Jr., DNA links defendants to home invasion murder, The Mercury, Pottstown, Pennsylvania, January 23, 2010. http://www.pottsmerc.com/articles/2010/01/23/news/srv0000007404256.txt (accessed 08.03.10).
2. G. Tuttle, Triple-murder trial begins, The Billings Gazette, Billings, Montana, February 12, 2010. http://billingsgazette.com/news/local/crime-and-courts/article_441fa44c-17fe-11df-9d3e-001cc4c002e0.html (accessed 08.03.10).
3. A validation study of physical associations of duct tape ends;Bradley,2004
4. The value of trace evidence as an investigative tool;Yezzo,2005
5. How products are made: duct tape, vol. 6. http://www.madehow.com/Volume-6/Duct-Tape.html (accessed 08.03.10).