@inproceedings{ICDAR-1993-Wang,
	author        = "Patrick S. P. Wang",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395596",
	isbn          = "0-8186-4960-7",
	pages         = "882--885",
	publisher     = "{IEEE}",
	title         = "{Machine visualization, understanding and interpretation of polyhedral line-drawings in document analysis}",
	year          = 1993,
}