@inproceedings{DAC-1969-Hightower,
	author        = "David W. Hightower",
	booktitle     = "{Proceedings of the Sixth Design Automation Conference}",
	doi           = "10.1145/800260.809014",
	pages         = "1--24",
	publisher     = "{ACM}",
	title         = "{A solution to line-routing problems on the continuous plane}",
	year          = 1969,
}