@inproceedings{DAC-2004-ObermeierJ,
	author        = "Bernd Obermeier and Frank M. Johannes",
	booktitle     = "{Proceedings of the 41st Design Automation Conference}",
	doi           = "10.1145/996566.996760",
	isbn          = "1-58113-828-8",
	pages         = "705--710",
	publisher     = "{ACM}",
	title         = "{Quadratic placement using an improved timing model}",
	year          = 2004,
}