@inproceedings{STOC-1973-LewisRS,
	author        = "Philip M. Lewis II and Daniel J. Rosenkrantz and Richard Edwin Stearns",
	booktitle     = "{Proceedings of the Fifth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800125.804047",
	pages         = "160--171",
	publisher     = "{ACM}",
	title         = "{Attributed Translations}",
	year          = 1973,
}