@inproceedings{ICSE-2002-Knight,
	author        = "John C. Knight",
	booktitle     = "{Proceedings of the 22rd International Conference on Software Engineering}",
	doi           = "10.1145/581339.581406",
	editor        = "Will Tracz and Michal Young and Jeff Magee",
	pages         = "547--550",
	publisher     = "{ACM}",
	title         = "{Safety critical systems: challenges and directions}",
	year          = 2002,
}