@inproceedings{RTA-1995-Nieuwenhuis,
	author        = "Robert Nieuwenhuis",
	booktitle     = "{Proceedings of the Sixth International Conference on Rewriting Techniques and Applications}",
	doi           = "10.1007/3-540-59200-8_47",
	editor        = "Jieh Hsiang",
	isbn          = "3-540-59200-8",
	pages         = "56--70",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On Narrowing, Refutation Proofs and Constraints}",
	volume        = 914,
	year          = 1995,
}