@inproceedings{RE-2005-Ebert,
	author        = "Christof Ebert",
	booktitle     = "{Proceedings of the 13th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2005.57",
	isbn          = "0-7695-2425-7",
	pages         = "117--124",
	publisher     = "{IEEE Computer Society}",
	title         = "{Requirements BEFORE the Requirements: Understanding the Upstream Impact}",
	year          = 2005,
}