@inproceedings{STOC-1970-Perrot,
	author        = "Jean-François Perrot",
	booktitle     = "{Proceedings of the Second Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800161.805167",
	pages         = "217--220",
	publisher     = "{ACM}",
	title         = "{On The Relationship between Finite Automata, Finite Monoids, and Prefix Codes}",
	year          = 1970,
}