@inproceedings{DAC-1981-Heller,
	acmid         = "802374",
	author        = "William R. Heller",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "676--683",
	publisher     = "{ACM/IEEE}",
	title         = "{Contrasts in physical design between LSI and VLSI}",
	year          = 1981,
}