@inproceedings{ICDAR-1993-Baird,
	author        = "Henry S. Baird",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395781",
	isbn          = "0-8186-4960-7",
	pages         = "62--67",
	publisher     = "{IEEE}",
	title         = "{Document image defect models and their uses}",
	year          = 1993,
}