@inproceedings{PPDP-2004-AntoyJ,
	author        = "Sergio Antoy and Stephen Johnson",
	booktitle     = "{Proceedings of the Sixth International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/1013963.1013981",
	isbn          = "1-58113-819-9",
	pages         = "144--154",
	publisher     = "{ACM}",
	title         = "{Formalization and abstract implementation of rewriting with nested rules}",
	year          = 2004,
}