@inproceedings{POPL-1980-BuddDLS,
	author        = "Timothy A. Budd and Richard A. DeMillo and Richard J. Lipton and Frederick G. Sayward",
	booktitle     = "{Conference Record of the Seventh Annual Symposium on Principles of Programming Languages}",
	doi           = "10.1145/567446.567468",
	editor        = "Paul W. Abrahams and Richard J. Lipton and Stephen R. Bourne",
	isbn          = "0-89791-011-7",
	pages         = "220--233",
	publisher     = "{ACM Press}",
	title         = "{Theoretical and Emperical Studies on Using Program Mutation to Test the Functional Correctness of Programs}",
	year          = 1980,
}