Formal Techniques, Modelling and Analysis of Timed and Fault-Tolerant Systems Joint International Conferences on Formal Modeling and Analysis of Timed Systems, FORMATS 2004 and Formal Techniques in Real Time and Fault-Tolerant Systems, FTRTFT 2004, Grenoble, France, September 22-24, 2004, Proceedings - Lakhnech, Yassine; Lakhnech, Yassine; Yovine, Sergio; Yovine, Sergio (Springer Berlin Heidelberg : Imprint: Springer, 2004)