@inproceedings{DAC-1969-Cowan,
	author        = "Robert J. Cowan",
	booktitle     = "{Proceedings of the Sixth Design Automation Conference}",
	doi           = "10.1145/800260.809042",
	pages         = "395--401",
	publisher     = "{ACM}",
	title         = "{Time-shared computer aided design with the digital plotters}",
	year          = 1969,
}