User authentication by cognitive passwords: an empirical assessment. - Moshe Zviran; William J. Haga (Jerusalem Conference on Information Technology, 1990)

Cognitive passwords: The key to easy access control. - Moshe Zviran; William J. Haga (Comput. Secur., 1990)

Question-and-answer passwords: an empirical evaluation. - William J. Haga; Moshe Zviran (Inf. Syst., 1991)

A Comparison of Password Techniques for Multilevel Authentication Mechanisms. - Moshe Zviran; William J. Haga (Comput. J., 1993)

Information systems effectiveness: research designs for causal inference. - William J. Haga; Moshe Zviran (Inf. Syst. J., 1994)

Password Security: An Empirical Study. - Moshe Zviran; William J. Haga (J. Manag. Inf. Syst., 1999)