@inproceedings{POPL-1978-PrabhalaS,
	author        = "Bhaskaram Prabhala and Ravi Sethi",
	booktitle     = "{Conference Record of the Fifth Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/512760.512784",
	editor        = "Alfred V. Aho and Stephen N. Zilles and Thomas G. Szymanski",
	pages         = "222--230",
	publisher     = "{ACM Press}",
	title         = "{Efficient Computation of Expressions with Common Subexpressions}",
	year          = 1978,
}