@inproceedings{ESOP-2007-LeinoS,
	author        = "K. Rustan M. Leino and Wolfram Schulte",
	booktitle     = "{Proceedings of the 16th European Symposium on Programming}",
	doi           = "10.1007/978-3-540-71316-6_7",
	editor        = "Rocco De Nicola",
	isbn          = "978-3-540-71314-2",
	pages         = "80--94",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Using History Invariants to Verify Observers}",
	volume        = 4421,
	year          = 2007,
}