Survey on Nonrepudiation: Digital Signature Versus Biometrics. - Panagiota Lagou; Gregory Chondrokoukis (Inf. Secur. J. A Glob. Perspect., 2009)

Biometrics for non-repudiation: security and legal aspect. - Panagiota Lagou; Gregory Chondrokoukis (Int. J. Biom., 2011)

Choosing a Biometric for Nonrepudiation. - Panagiota Lagou; Gregory Chondrokoukis (Inf. Secur. J. A Glob. Perspect., 2011)