@inproceedings{DAC-1972-Roberts,
	author        = "R. Dunning Roberts",
	booktitle     = "{Proceedings of the Ninth Design Automation Workshop}",
	doi           = "10.1145/800153.804949",
	pages         = "220--228",
	publisher     = "{ACM}",
	title         = "{A heathkit approach for computer-aided comparison of building alternatives}",
	year          = 1972,
}