@inproceedings{ICPR-v3-2004-BadawyK,
	author        = "Ossama El Badawy and Mohamed Kamel",
	booktitle     = "{Proceedings of the 17th International Conference on Pattern Recognition, Volume 3}",
	doi           = "10.1109/ICPR.2004.825",
	isbn          = "0-7695-2128-2",
	pages         = "111--115",
	publisher     = "{IEEE Computer Society}",
	title         = "{Shape Retrieval using Concavity Trees}",
	year          = 2004,
}