@inproceedings{ISSTA-1993-Blum,
	author        = "Manuel Blum",
	booktitle     = "{Proceedings of the International Symposium on Software Testing and Analysis}",
	doi           = "10.1145/154183.154185",
	number        = 3,
	pages         = "1",
	series        = "{Software Engineering Notes}",
	title         = "{Designing Programs to Check Their Work}",
	volume        = 18,
	year          = 1993,
}