@book{40205,
	author = {Clarke, Edmund},
	title = {Verification of infinite-state systems with applications to security /},
	publisher = {IOS Press,},
	year = {2006},
	address = {Amsterdam :},
	note = {Proceedings of the NATO Advanced Research Workshop on Verification of Infinite-state Systems with Applications to Security, Timasoara, Romania, March 17-22, 2005}
}