@inproceedings{ISSTA-1994-Marcus,
	author        = "Leo Marcus",
	booktitle     = "{Proceedings of the International Symposium on Software Testing and Analysis}",
	doi           = "10.1145/186258.187196",
	pages         = "197",
	series        = "{Software Engineering Notes}",
	title         = "{The Incorporation of Testing into Verification: Direct, Modular, and Hierarchical Correctness Degrees}",
	year          = 1994,
}