@inproceedings{RE-2005-LehtolaKK,
	author        = "Laura Lehtola and Marjo Kauppinen and Sari Kujala",
	booktitle     = "{Proceedings of the 13th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2005.36",
	isbn          = "0-7695-2425-7",
	pages         = "439--446",
	publisher     = "{IEEE Computer Society}",
	title         = "{Linking the Business View to Requirements Engineering: Long-Term Product Planning by Roadmapping}",
	year          = 2005,
}