@inproceedings{DAC-1981-Ward,
	acmid         = "802385",
	author        = "Manfred A. Ward",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "720--725",
	publisher     = "{ACM/IEEE}",
	title         = "{A total verification of printed circuit artwork}",
	year          = 1981,
}