@inproceedings{STOC-1972-AhoU,
	author        = "Alfred V. Aho and Jeffrey D. Ullman",
	booktitle     = "{Proceedings of the Fourth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800152.804920",
	pages         = "251--263",
	publisher     = "{ACM}",
	title         = "{A Technique for Speeding Up LR(k) Parsers}",
	year          = 1972,
}