@inproceedings{TOOLS-USA-1991-Singh,
	author        = "Madhu S. Singh",
	booktitle     = "{Proceedings of the Fifth International Conference on Technology of Object-Oriented Languages and Systems}",
	isbn          = "0-13-923178-1",
	pages         = "345--346",
	publisher     = "{Prentice Hall}",
	title         = "{Object-Oriented Modeling: Issues and Perspective}",
	year          = 1991,
}