1. Kingston, C.R. and P.L. Kirk, “Historical Development and Evaluation of the ‘12 Point Rule’ in Fingerprint Identification,” International Criminal Police Review, 1965.
2. Lee, H.C. and R.E. Gaensslen, “Advances in Fingerprint Technology,” Elsevier, New York, 1991.
3. Zeelenberg, A.J., “Het identificatieproces van dactyloscopische Sporen,” VUGA, ‘s-Gravenhage, 1993 (in Dutch).
4. http://www.biometrics.org
5. http://www.infineon.com