Daguang Liu Peng Wu 0002 Huimin Lin Symbolic Test Generation Using a Temporal Logic with Constrained Events. 467-471 2007 conf/birthday/2007bz Formal Methods and Hybrid Real-Time Systems http://dx.doi.org/10.1007/978-3-540-75221-9_21 db/conf/birthday/BjornerZhou2007.html#Liu0L07