@inproceedings{DAC-1969-Samek,
	author        = "Walter J. Samek",
	booktitle     = "{Proceedings of the Sixth Design Automation Conference}",
	doi           = "10.1145/800260.809018",
	pages         = "71--90",
	publisher     = "{ACM}",
	title         = "{The autopunch system or design automation comes to the sheet metal shop}",
	year          = 1969,
}