1. A. K. Jain, L. Hong, and R. Boll, “On-line fingerprint verification,” IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 19, no.4, pp. 302–314, 1997.
2. D. Maltoni, D. Maio, A. K. Jain, and S. Parbnhankar, Handbook of Fingerprint Recognition, Springer, 2003.
3. E. R. Henry, Classification and Use of Fingerprint, Routledge, London, 1900.
4. K. Karu and A. K. Jain, “Fingerprint classification,” Pattern Recognition, vol. 29, no. 3, pp. 389–404, 1996.
5. D. Maio and D. Maltoni, “A structural approach to fingerprint classification,” Proc. 13th ICPR 96, vol. 3, pp. 578, Aug. 1996.