@inproceedings{DAC-1993-PanDL,
	author        = "Peichen Pan and Sai-keung Dong and C. L. Liu",
	booktitle     = "{Proceedings of the 30th Design Automation Conference}",
	doi           = "10.1145/157485.164950",
	isbn          = "0-89791-577-1",
	pages         = "401--406",
	publisher     = "{ACM Press}",
	title         = "{Optimal Graph Constraint Reduction for Symbolic Layout Compaction}",
	year          = 1993,
}