SpringerLink (Online service), Lipmaa, H., & Kiayias, A. (2012). E-voting and identity: Third international conference, VoteID 2011, Tallinn, Estonia, September 28-30, 2011, revised selected papers. Imprint: Springer.

SpringerLink (Online service), Helger Lipmaa, and Aggelos Kiayias. E-voting and Identity: Third International Conference, VoteID 2011, Tallinn, Estonia, September 28-30, 2011, Revised Selected Papers. Berlin, Heidelberg: Imprint: Springer, 2012.

SpringerLink (Online service), et al. E-voting and Identity: Third International Conference, VoteID 2011, Tallinn, Estonia, September 28-30, 2011, Revised Selected Papers. Imprint: Springer, 2012.