@inproceedings{ICDAR-v2-1995-ToraichiHH,
	author        = "Kazuo Toraichi and Takahiko Horiuchi and Ryoji Haruki",
	booktitle     = "{Proceedings of the Third International Conference on Document Analysis and Recognition (Volume II)}",
	doi           = "10.1109/ICDAR.1995.601981",
	pages         = "656--659",
	publisher     = "{IEEE Computer Society}",
	title         = "{Observation method for mathematical graphology}",
	year          = 1995,
}