@inproceedings{RE-2007-Glinz,
	author        = "Martin Glinz",
	booktitle     = "{Proceedings of the 15th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2007.45",
	isbn          = "0-7695-2935-6",
	pages         = "21--26",
	publisher     = "{IEEE Computer Society}",
	title         = "{On Non-Functional Requirements}",
	year          = 2007,
}