@inproceedings{DAC-1981-PenfieldR,
	acmid         = "802365",
	author        = "Paul Penfield Jr. and Jorge Rubinstein",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "613--617",
	publisher     = "{ACM/IEEE}",
	title         = "{Signal delay in RC tree networks}",
	year          = 1981,
}