@inproceedings{ICDAR-2003-BaldiMS,
	author        = "Stefano Baldi and Simone Marinai and Giovanni Soda",
	booktitle     = "{Proceedings of the Seventh International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2003.1227778",
	isbn          = "0-7695-1960-1",
	pages         = "829--833",
	publisher     = "{IEEE Computer Society}",
	title         = "{Using tree-grammars for training set expansion in page classification}",
	year          = 2003,
}