@inproceedings{STOC-1975-AhoJ,
	author        = "Alfred V. Aho and Stephen C. Johnson",
	booktitle     = "{Proceedings of the Seventh Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800116.803770",
	pages         = "207--217",
	publisher     = "{ACM}",
	title         = "{Optimal Code Generation for Expression Trees}",
	year          = 1975,
}