1. Mansfield, T.: Kelly, et al.: Biometric Product Testing Final Report. CESG Contract X92A/4009309, Centre for Mathematics & Scientific Computing, National Physical Laboratory, Queen’s Road, Teddington, Middlesex TW11 0LW
2. Tan, T., Ma, L.: Iris Recognition: Recent Progress and Remaining Challenges. In: Proceedings of SPIE - The International Society for Optical Engineering, vol. 5404, pp. 183–194 (2004)
3. Daugman, J.: The Importance of Being Random: Statistical Principles of Iris Recognition. Pattern Recognition 36, 279–291 (2003)
4. http://www.biometrics.gov/Documents/irisrec.pdf
5. Johnson, R.G.: Can iris patterns be used to identify people? In: Chemical and Laser Sciences Division LA-12331-PR, Los Alamos National Laboratory, Los Alamos, Calif. (1991)