@inproceedings{RE-2008-WieringaH,
	author        = "Roel Wieringa and J. M. G. Heerkens",
	booktitle     = "{Proceedings of the 16th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2008.63",
	isbn          = "978-0-7695-3309-4",
	pages         = "310--313",
	publisher     = "{IEEE Computer Society}",
	title         = "{Design Science, Engineering Science and Requirements Engineering}",
	year          = 2008,
}