@inproceedings{ICDAR-1999-YamaokaIBK,
	author        = "Masaki Yamaoka and Osamu Iwaki and Noboru Babaguchi and Tadahiro Kitahashi",
	booktitle     = "{Proceedings of the Fifth International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.1999.791755",
	isbn          = "0-7695-0318-7",
	pages         = "185--188",
	publisher     = "{IEEE Computer Society}",
	title         = "{Interactive Approach to the Extraction of Logical Structures from Unformatted Document Images Using a Sub-structure Model}",
	year          = 1999,
}