1. The business of electronic voting;Gerck,2002
2. Security analysis of the Estonian internet voting system;Springall,2014
3. Some consequences of paper fingerprinting for elections;Calandrino,2009
4. Texture to the rescue: practical paper fingerprinting based on texture patterns;Toreini,2017
5. United Kingdom of Great Britain and Northern Ireland. General election 5 May 2005. OSCE/ODIHR assessment mission report. 2005. http://www.osce.org/odihr/elections/uk/16204.