@inproceedings{ICDAR-1993-WuS,
	author        = "Wei Wu and Masao Sakauchi",
	booktitle     = "{Proceedings of the Second International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1993.395599",
	isbn          = "0-8186-4960-7",
	pages         = "870--873",
	publisher     = "{IEEE}",
	title         = "{A multipurpose drawing understanding system with flexible object-oriented framework}",
	year          = 1993,
}