@inproceedings{SEKE-2001-JarzabekOZ,
	author        = "Stan Jarzabek and Wai Chun Ong and Hongyu Zhang",
	booktitle     = "{Proceedings of the 13th International Conference on Software Engineering and Knowledge Engineering}",
	pages         = "61--68",
	title         = "{Handling Variant Requirements in 9omain Modeling}",
	year          = 2001,
}