Alexandre Duret-Lutz Denis Poitrenaud SPOT: An Extensible Model Checking Library Using Transition-Based Generalized Büchi Automata. 76-83 2004 conf/mascots/2004 MASCOTS http://csdl.computer.org/comp/proceedings/mascots/2004/2251/00/22510076abs.htm db/conf/mascots/mascots2004.html#Duret-LutzP04