@inproceedings{ICDAR-2009-MarinaiMS,
	author        = "Simone Marinai and Beatrice Miotti and Giovanni Soda",
	booktitle     = "{Proceedings of the 10th International Conference on Document Analysis and Recognition}",
	doi           = "10.1109/ICDAR.2009.120",
	isbn          = "978-0-7695-3725-2",
	pages         = "1041--1045",
	publisher     = "{IEEE Computer Society}",
	title         = "{Mathematical Symbol Indexing Using Topologically Ordered Clusters of Shape Contexts}",
	year          = 2009,
}