@inproceedings{PPDP-2008-LucasM,
	author        = "Salvador Lucas and José Meseguer",
	booktitle     = "{Proceedings of the 10th International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1389449.1389463",
	isbn          = "978-1-60558-117-0",
	pages         = "108--119",
	publisher     = "{ACM}",
	title         = "{Order-sorted dependency pairs}",
	year          = 2008,
}