@inproceedings{DAC-1969-Chace,
	author        = "Milton A. Chace",
	booktitle     = "{Proceedings of the Sixth Design Automation Conference}",
	doi           = "10.1145/800260.809024",
	pages         = "169--178",
	publisher     = "{ACM}",
	title         = "{A network-variational basis for generalized computer representation of multifreedom, constrained, mechanical systems}",
	year          = 1969,
}