@inproceedings{DAC-1993-LewisP,
	author        = "Forbes D. Lewis and Wang Chia-Chi Pong",
	booktitle     = "{Proceedings of the 30th Design Automation Conference}",
	doi           = "10.1145/157485.165064",
	isbn          = "0-89791-577-1",
	pages         = "601--605",
	publisher     = "{ACM Press}",
	title         = "{A Negative Reinforcement Method for PGA Routing}",
	year          = 1993,
}