@inproceedings{ICDAR-2009-KizuYTGS,
	author        = "Hiroaki Kizu and Junko Yamamoto and Takeshi Takeda and Keiji Gyohten and Naomichi Sueda",
	booktitle     = "{Proceedings of the 10th International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2009.156",
	isbn          = "978-0-7695-3725-2",
	pages         = "326--330",
	publisher     = "{IEEE Computer Society}",
	title         = "{2D CAD Data Mining Based on Spatial Relation}",
	year          = 2009,
}