@inproceedings{STOC-1969-Fischer,
	author        = "Michael J. Fischer",
	booktitle     = "{Proceedings of the First Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800169.805432",
	pages         = "181--190",
	publisher     = "{ACM}",
	title         = "{Some Properties of Precedence Languages}",
	year          = 1969,
}