1. Footwear Impression Evidence: Detection, Recovery and Examination;Bodziak,2000
2. Footwear Identification;Cassidy,1980
3. Footprint and shoeprint identification;Gupta;International Criminal Police Review,1967
4. Preliminary study on the uniqueness of barefoot impressions;Kennedy;Canadian Society of Forensic Science Journal,1996
5. Uniqueness of bare feet and its use as a possible means of identification;Kennedy;Forensic Science International,1996