1. J. Wayman, A. Jain, D. Maltoni, and D. Maio. Biometric Systems: Technology, Design and Performance Evaluation Springer. 2005.
2. I. R. Buhan, P. H. Hartel. The state of the art in abuse of biometrics: Centre for Telematics and Information Technology, University of Twente, Enschede. 2005.
3. International Biometric Group. Spoof 2007 -High-Level Test Plan. New York, NY. 2006.
4. M. Sandström. Liveness Detection in Fingerprint Recognition systems. Linköpings Universitet: Linköping, Sweden. 2004.
5. S. A. Cole. Suspect Identities -A History of Fingerprinting and Criminal Identification. Cambridge, MA: Harvard University Press. 2001.