@inproceedings{STOC-1970-Rosen,
	author        = "Barry K. Rosen",
	booktitle     = "{Proceedings of the Second Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800161.805157",
	pages         = "117--127",
	publisher     = "{ACM}",
	title         = "{Tree-Manipulating Systems and Church-Rosser Theorems}",
	year          = 1970,
}