@inproceedings{DAC-1969-Lewis,
	author        = "Albert D. M. Lewis",
	booktitle     = "{Proceedings of the Sixth Design Automation Conference}",
	doi           = "10.1145/800260.809025",
	pages         = "181--183",
	publisher     = "{ACM}",
	title         = "{Automated design of open web steel joists}",
	year          = 1969,
}