Lassaad Cheikhrouhou Andreas Nonnengart Werner Stephan Frank Koob Georg Rock Automating Interactive Protocol Verification. 30-37 2008 KI http://dx.doi.org/10.1007/978-3-540-85845-4_4 conf/ki/2008 db/conf/ki/ki2008.html#CheikhrouhouNSKR08