@inproceedings{ICDAR-2009-PletschacherHA,
	author        = "Stefan Pletschacher and Jianying Hu and Apostolos Antonacopoulos",
	booktitle     = "{Proceedings of the 10th International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2009.267",
	isbn          = "978-0-7695-3725-2",
	pages         = "506--510",
	publisher     = "{IEEE Computer Society}",
	title         = "{A New Framework for Recognition of Heavily Degraded Characters in Historical Typewritten Documents Based on Semi-Supervised Clustering}",
	year          = 2009,
}