@inproceedings{RE-2012-LiaskosJA,
	author        = "Sotirios Liaskos and Rina Jalman and Jorge Aranda",
	booktitle     = "{Proceedings of the 20th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2012.6345808",
	isbn          = "978-1-4673-2783-1",
	pages         = "221--230",
	publisher     = "{IEEE Computer Society}",
	title         = "{On eliciting contribution measures in goal models}",
	year          = 2012,
}