Seda Davtyan Sotiris Kentros Aggelos Kiayias Laurent D. Michel Nicolas C. Nicolaou Alexander Russell Andrew See Narasimha Shashidhar Alexander A. Shvartsman Taking total control of voting systems: firmware manipulations on an optical scan voting terminal. 2049-2053 2009 SAC http://doi.acm.org/10.1145/1529282.1529736 conf/sac/2009 db/conf/sac/sac2009.html#DavtyanKKMNRSSS09