@inproceedings{ICDAR-2005-LiangNSV,
	author        = "Percy Liang and Mukund Narasimhan and Michael Shilman and Paul A. Viola",
	booktitle     = "{Proceedings of the Eighth International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2005.98",
	isbn          = "0-7695-2420-6",
	pages         = "1172--1177",
	publisher     = "{IEEE Computer Society}",
	title         = "{Efficient Geometric Algorithms for Parsing in Two Dimensions}",
	year          = 2005,
}