@inproceedings{DAC-1981-CiesielskiK,
	acmid         = "802387",
	author        = "Maciej J. Ciesielski and Edwin Kinnen",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "733--737",
	publisher     = "{ACM/IEEE}",
	title         = "{An optimum layer assignment for routing in ICs and PCBs}",
	year          = 1981,
}