@conference{822806,
  author = {Stefan Popoveniuc and Andrew Regenscheid},
  title = {Sigma Ballots},
  year = {2010},
  month = {2010-07-21 00:07:00},
  publisher = {Electronic Voting 2010 (EVOTE2010), Bregenz, AT},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905755},
  language = {en},
}