@inproceedings{PASTE-2001-Webber,
	author        = "Adam Brooks Webber",
	booktitle     = "{Proceedings of the Third Workshop on Program Analysis for Software Tools and Engineering}",
	doi           = "10.1145/379605.379685",
	isbn          = "1-58113-413-4",
	pages         = "86--89",
	publisher     = "{ACM}",
	title         = "{What is a class invariant?}",
	year          = 2001,
}