@inproceedings{STOC-1976-Sudborough,
	author        = "Ivan Hal Sudborough",
	booktitle     = "{Proceedings of the Eighth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800113.803642",
	pages         = "141--148",
	publisher     = "{ACM}",
	title         = "{On Deterministic Context-Free Languages, Multihead Automata, and the Power of an Auxiliary Pushdown Store}",
	year          = 1976,
}