@inproceedings{JCDL-2004-RenSM,
	author        = "Xiaona Ren and Lloyd A. Smith and Richard A. Medina",
	booktitle     = "{Proceedings of the Fourth Joint Conference on Digital Libraries}",
	doi           = "10.1109/JCDL.2004.1336131",
	isbn          = "1-58113-832-6",
	pages         = "252--253",
	publisher     = "{ACM}",
	title         = "{Discovery of retrograde and inverted themes for indexing musical scores}",
	year          = 2004,
}