Riza Aditya Byoungcheon Lee Colin Boyd Ed Dawson An Efficient Mixnet-Based Voting Scheme Providing Receipt-Freeness. 152-161 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3184&spage=152 2004 conf/trustbus/2004 TrustBus db/conf/trustbus/trustbus2004.html#AdityaLBD04