@inproceedings{DAC-1968-Heiss,
	author        = "Sam Heiss",
	booktitle     = "{Proceedings of the Fifth Design Automation Workshop}",
	doi           = "10.1145/800167.805391",
	publisher     = "{ACM}",
	title         = "{A path connection algorithm for multi-layer boards}",
	year          = 1968,
}