Christopher Robinson-Mallett Peter Liggesmeyer Tilo Mücke Ursula Goltz Extended state identification and verification using a model checker. 981-992 2006 48 Information & Software Technology 10 http://dx.doi.org/10.1016/j.infsof.2006.03.006 db/journals/infsof/infsof48.html#Robinson-MallettLMG06