@inproceedings{RE-2011-PuhlF,
	author        = "Stefan Pühl and Ralf Fahney",
	booktitle     = "{Proceedings of the 19th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2011.6051623",
	isbn          = "978-1-4577-0921-0",
	pages         = "307--312",
	publisher     = "{IEEE Computer Society}",
	title         = "{How to assign cost to “avoidable requirements creep”: A step towards the waterfall’s agilization}",
	year          = 2011,
}