@inproceedings{DAC-1981-DewhirstH,
	acmid         = "802297",
	author        = "D. L. Dewhirst and R. C. Hillyard",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "171--178",
	publisher     = "{ACM/IEEE}",
	title         = "{Application of volumetric modeling to mechanical design and analysis}",
	year          = 1981,
}