@inproceedings{STOC-1975-AhoU,
	author        = "Alfred V. Aho and Jeffrey D. Ullman",
	booktitle     = "{Proceedings of the Seventh Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800116.803767",
	pages         = "177--185",
	publisher     = "{ACM}",
	title         = "{Node Listings for Reducible Flow Graphs}",
	year          = 1975,
}