@inproceedings{DAC-1986-ChangD,
	author        = "K. C. Chang and David Hung-Chang Du",
	booktitle     = "{Proceedings of the 23rd Design Automation Conference}",
	doi           = "10.1145/318013.318144",
	pages         = "702--707",
	publisher     = "{IEEE Computer Society Press}",
	title         = "{A preprocessor for the via minimization problem}",
	year          = 1986,
}