1. Baansal, A., Gupta, B., Khandelwal, G., Chakraverty, S.: Offline Signature Verification Using Critical Region Matching. International Journal of Signal, Image Processing and Pattern 2(1) (2009)
2. Dessimoz, R.D., Champod, J.C., Drygajlo, A.: Multimodal Biometrics for Identity Documents (MBioID): State-of-the-Art (Version 2.0). Research Report PFS 341-08.05 (2006)
3. Lecture Notes in Computer Science;J. Fierrez-Aguilar,2004
4. Lecture Notes in Computer Science;J. Fiérrez-Aguilar,2005
5. Ghandali, S., Ebrahimi, M.: Off-Line Persian Identification and Verification Based On Image Registration And Fusion. Journal of Multimedia 3(3) (2009)