Articles in Scholarly Journals [Incomplete List]

1. Introduction to the Special Issue on Biometrics: Progress and Directions
   IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 29, no. 4, pp. 513–516, 2007
2. Query-directed passwords
   Computers & Security, vol. 24, no. 7, pp. 546–560, 2005
3. Determination of vitality from a non-invasive biomedical measurement for use in fingerprint scanners
   Pattern Recognition, vol. 36, no. 2, pp. 383–396, 2003
4. Comparing passwords, tokens, and biometrics for user authentication
   Proceedings of the IEEE, vol. 91, no. 12, pp. 2021–2040, 2003