@inproceedings{ICDAR-1993-LamH,
	author        = "Stephen W. Lam and Wai-Kwan Hui",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395761",
	isbn          = "0-8186-4960-7",
	pages         = "151--154",
	publisher     = "{IEEE}",
	title         = "{Reading constrained text using hierarchical hidden Markov models}",
	year          = 1993,
}