@inproceedings{RE-2013-Valenca,
	author        = "George Valença",
	booktitle     = "{Proceedings of the 21st International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2013.6636763",
	isbn          = "978-1-4673-5765-4",
	pages         = "393--396",
	publisher     = "{IEEE Computer Society}",
	title         = "{Requirements negotiation model: A social oriented approach for software ecosystems evolution}",
	year          = 2013,
}