@inproceedings{STOC-1969-Blum69a,
	author        = "Edward K. Blum",
	booktitle     = "{Proceedings of the First Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800169.805436",
	pages         = "217--227",
	publisher     = "{ACM}",
	title         = "{Towards a Theory of Semantics and Compilers for Programming Languages}",
	year          = 1969,
}