@inproceedings{SIGMOD-1985-BatoryK,
	author        = "Don S. Batory and Won Kim",
	booktitle     = "{Proceedings of the 15th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD85/P446.PDF",
	doi           = "10.1145/318898.320001",
	pages         = "446",
	publisher     = "{ACM Press}",
	title         = "{Modeling Concepts for VLSI CAD Objects}",
	year          = 1985,
}