@inproceedings{DAC-1988-LyG,
	acmid         = "285730.285835",
	author        = "Tai A. Ly and Emil F. Girczyc",
	booktitle     = "{Proceedings of the 25th Design Automation Conference}",
	pages         = "628--633",
	publisher     = "{ACM}",
	title         = "{Constraint Propagation in an Object-Oriented IC Design Environment}",
	year          = 1988,
}