1. Cannon , T.M. Trussel , H.J. 1980 Applications of digital image restoration to photographic evidence Proceedings of the 1980 Carnahan Conference on Crime Countermeasures Lexington 103 107
2. FBI Academy 1986 Proceedings of the International Symposium on the Forensic Applications of Digital Image Processing 16 20 Quantico
3. Image processing system for enhancement and deblurring of photographs;Lehar;SPIE Opt. Eng.,1984
4. www.spie.org
5. www.aafs.org