@inproceedings{DAC-1983-Litke,
	acmid         = "800705",
	author        = "John D. Litke",
	booktitle     = "{Proceedings of the 20th Design Automation Conference}",
	isbn          = "0-8186-0026-8",
	pages         = "444--447",
	publisher     = "{ACM/IEEE}",
	title         = "{Minimizing PWB NC drilling}",
	year          = 1983,
}