@inproceedings{DAC-1975-Quinn,
	acmid         = "809064",
	author        = "Neil R. Quinn Jr.",
	booktitle     = "{Proceedings of the 12th Design Automation Conference}",
	pages         = "173--178",
	publisher     = "{ACM}",
	title         = "{The placement problem as viewed from the physics of classical mechanics}",
	year          = 1975,
}