@inproceedings{DRR-2011-NagyLSW,
	author        = "George Nagy and Daniel P. Lopresti and Elisa H. Barney Smith and Ziyan Wu",
	booktitle     = "{Proceedings of the 18th Conference on Document Recognition and Retrieval}",
	doi           = "10.1117/12.876558",
	isbn          = "978-0-8194-8411-6",
	pages         = "1--10",
	publisher     = "{SPIE}",
	series        = "{SPIE Proceedings}",
	title         = "{Characterizing challenged Minnesota ballots}",
	volume        = 7874,
	year          = 2011,
}