1. Dtspin homepage.: http://www.win.tue.nl/~dragan/DTSpin.html
2. VHS: Case study 1 sources. http://www.cs.kun.nl/~mader/vhs/cs1.html
3. Alur, R., Dill, D.L.: A theory of timed automata. Th. Computer Science 138, 183–335 (1994)
4. Fehnker, A.: Scheduling a steel plant with timed automata. In: Sixth Internatio- nal Conference on Real-Time Computing Systems and Applications (RTCSA 1999). IEEE Computer Society Press, Los Alamitos (1999)
5. Fehnker, A.: Bounding and heuristics in forward reachability algorithms. Technical Report CSI-R0002, University of Nijmegen, Netherlands (February 2000)