1. Lecture Notes in Computer Science;G. Alpár,2012
2. Alpár, G., Hoepman, J.-H., Siljee, J.: The Identity Crisis. Security, Privacy and Usability Issues in Identity Management. Journal of Information System Security 8(3) (2013)
3. Alpár, G., Jacobs, B.: Credential Design in Attribute-Based Identity Management. In: Leenes, R. (ed.) TILTing Perspectives (2013)
4. Bhargav-Spantzel, A., Camenisch, J., Gross, T., Sommer, D.: User centricity: a taxonomy and open issues. Journal of Computer Security 15(5), 493–527 (2007)
5. Lecture Notes in Computer Science;P. Bichsel,2012