@inproceedings{DAC-1981-DoreauK,
	acmid         = "802389",
	author        = "Michel T. Doreau and Piotr Koziol",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "746--755",
	publisher     = "{ACM/IEEE}",
	title         = "{TWIGY — a topological algorithm based routing system}",
	year          = 1981,
}