@inproceedings{REFSQ-1998-MaidenCPM,
	author        = "Neil A. M. Maiden and M. Cisse and H. Perez and Darrel Manuel",
	booktitle     = "{Proceedings of the Fourth International Workshop on Requirements Engineering: Foundation for Software Quality}",
	isbn          = "2-87037-272-8",
	pages         = "167--178",
	publisher     = "{Presses Universitaires de Namur}",
	title         = "{CREWS Validation Frames: Patterns for Validating Systems Requirements}",
	year          = 1998,
}