1. i Esteve, J.B., Goldsmith, B., Turner, J.: International experience with e-voting. International Foundation for Electoral Systems (2012)
2. Organisation for Security and Co-operation in Europe (OSCE): Estonia Parliamentary Elections, OSCE/ODIHR Election Expert Team Final Report (2015). http://www.osce.org/odihr/elections/estonia/160131
3. Springall, D., Finkenauer, T., Durumeric, Z., Kitcat, J., Hursti, H., MacAlpine, M., Halderman, J.A.: Security analysis of the Estonian internet voting system. In: ACM SIGSAC Conference on Computer and Communications Security, pp. 703–715. ACM (2014)
4. Halderman, J.A.: Practical attacks on real-world e-voting. In: Hao, F., Ryan, P.Y. (eds.) Real-World Electronic Voting: Design, Analysis and Deployment (2016)
5. Gritzalis, D.A.: Principles and requirements for a secure e-voting system. Comput. Secur. 21(6), 539–556 (2002)