@inproceedings{CASE-2009-AlenljungL,
	author        = "Tord Alenljung and Bengt Lennartson",
	booktitle     = "{Proceedings of the Fifth International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2009.5234187",
	isbn          = "978-1-4244-4578-3",
	pages         = "164--170",
	publisher     = "{IEEE}",
	title         = "{Formal verification of PLC controlled systems using Sensor Graphs}",
	year          = 2009,
}