@inproceedings{RE-1993-GreenspanF,
	author        = "Sol J. Greenspan and Mark Feblowitz",
	booktitle     = "{Proceedings of IEEE International Symposium on Requirements Engineering}",
	doi           = "10.1109/ISRE.1993.324848",
	isbn          = "0-8186-3120-1",
	pages         = "260--263",
	publisher     = "{IEEE}",
	title         = "{Requirements engineering using the SOS paradigm}",
	year          = 1993,
}