@inproceedings{DAC-1981-WolfeFG,
	acmid         = "802345",
	author        = "Robert N. Wolfe and William J. Fitzgerald and Franklin Gracer",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "463--470",
	publisher     = "{ACM/IEEE}",
	title         = "{Interactive graphics for volume modeling}",
	year          = 1981,
}