CACM has published an excellent collection of articles on voting and voting technology in the October 2004 issue.
2004-10 CACM p28 Neumann - The Problems and Potentials of Voting Systems.pdf
2004-10 CACM p31 Deutsch Berger - Voting System Standards and Certifications.pdf
2004-10 CACM p34 Coggins - Independent Testing of Voting Systems.pdf
2004-10 CACM p39 Williams King - Implementing Voting Systems - The Georgia Method.pdf
2004-10 CACM p43 DiFranco Petro Shear Vladimirov - Small Vote Manipulations Can Swing Elections.pdf
2004-10 CACM p46 Jones - Auditing Elections.pdf
2004-10 CACM p52 Mercuri Camp - The Code of Elections.pdf
2004-10 CACM p59 Jefferson Rubin Simons Wagner - Analyzing Internet Voting Security.pdf
2004-10 CACM p65 Kitcat - Source Availability and E-Voting - An Advocate Recants.pdf
2004-10 CACM p69 ACM Statement on Voting Systems.pdf