@inproceedings{STOC-1971-AhoU,
	author        = "Alfred V. Aho and Jeffrey D. Ullman",
	booktitle     = "{Proceedings of the Third Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800157.805048",
	pages         = "159--170",
	publisher     = "{ACM}",
	title         = "{The Care and Feeding of LR(k) Grammars}",
	year          = 1971,
}