@inproceedings{RE-1993-LubarsPR,
	author        = "Mitchell D. Lubars and Colin Potts and Charles Richter",
	booktitle     = "{Proceedings of IEEE International Symposium on Requirements Engineering}",
	doi           = "10.1109/ISRE.1993.324842",
	isbn          = "0-8186-3120-1",
	pages         = "2--14",
	publisher     = "{IEEE}",
	title         = "{A review of the state of the practice in requirements modeling}",
	year          = 1993,
}