@inproceedings{DAC-1981-Sherwood,
	acmid         = "802393",
	author        = "Will Sherwood",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "775--785",
	publisher     = "{ACM/IEEE}",
	title         = "{A MOS modelling technique for 4-state true-value hierarchical logic simulation or Karnough knowledge}",
	year          = 1981,
}