@inproceedings{RE-2006-LiuJ,
	author        = "Lin Liu and Zhi Jin",
	booktitle     = "{Proceedings of the 14th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2006.34",
	isbn          = "0-7695-2555-5",
	pages         = "342--343",
	publisher     = "{IEEE Computer Society}",
	title         = "{Integrating Goals and Problem Frames in Requirements Analysis}",
	year          = 2006,
}