@inproceedings{RE-1999-VillerS,
	author        = "Stephen Viller and Ian Sommerville",
	booktitle     = "{Proceedings of the Fourth International Symposium on Requirements Engineering}",
	doi           = "10.1109/ISRE.1999.777980",
	isbn          = "0-7695-0188-5",
	pages         = "6--13",
	publisher     = "{IEEE Computer Society}",
	title         = "{Social Analysis in the Requirements Engineering Process: From Ethnography to Method}",
	year          = 1999,
}