@inproceedings{STOC-1978-EngelfrietRS,
	author        = "Joost Engelfriet and Grzegorz Rozenberg and Giora Slutzki",
	booktitle     = "{Proceedings of the 10th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800133.804333",
	pages         = "66--74",
	publisher     = "{ACM}",
	title         = "{Tree Transducers, L Systems and Two-Way Machines}",
	year          = 1978,
}