@inproceedings{ICDAR-2011-ClausnerPA,
	author        = "Christian Clausner and Stefan Pletschacher and Apostolos Antonacopoulos",
	booktitle     = "{Proceedings of the 11th International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2011.19",
	isbn          = "978-1-4577-1350-7",
	pages         = "48--52",
	publisher     = "{IEEE Computer Society}",
	title         = "{Aletheia — An Advanced Document Layout and Text Ground-Truthing System for Production Environments}",
	year          = 2011,
}