@inproceedings{ICDAR-1993-KanungoHP,
	author        = "Tapas Kanungo and Robert M. Haralick and Ihsin T. Phillips",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395633",
	isbn          = "0-8186-4960-7",
	pages         = "730--734",
	publisher     = "{IEEE}",
	title         = "{Global and local document degradation models}",
	year          = 1993,
}