@inproceedings{STOC-1975-Perrault,
	author        = "C. Raymond Perrault",
	booktitle     = "{Proceedings of the Seventh Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800116.803761",
	pages         = "126--136",
	publisher     = "{ACM}",
	title         = "{Intercalation Theorems for Tree Transducer Languages}",
	year          = 1975,
}