@inproceedings{DAC-1968-Sass,
	author        = "W. H. Sass",
	booktitle     = "{Proceedings of the Fifth Design Automation Workshop}",
	doi           = "10.1145/800167.805411",
	publisher     = "{ACM}",
	title         = "{GLEAM/1130-a production system base for computer-aided design}",
	year          = 1968,
}