@inproceedings{ESEC-1991-Greenspan,
	author        = "Sol J. Greenspan",
	booktitle     = "{Proceedings of the Third European Software Engineering Conference}",
	doi           = "10.1007/3540547428_70",
	editor        = "Axel van Lamsweerde and Alfonso Fugetta",
	isbn          = "3-540-54742-8",
	pages         = "492--494",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{The Scruffy Side of Requirements Engineering}",
	volume        = 550,
	year          = 1991,
}