@inproceedings{STOC-1973-Pratt,
	author        = "Vaughan R. Pratt",
	booktitle     = "{Proceedings of the Fifth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800125.804058",
	pages         = "268--277",
	publisher     = "{ACM}",
	title         = "{Computing Permutations with Double-Ended Queues, Parallel Stacks and Parallel Queues}",
	year          = 1973,
}