1. Alur, R., Dill, D.L.: A theory of timed automata. Theoretical Computer Science 126(2), 183–235 (1994)
2. Alur, R., Henzinger, T.A., Ho, P.: Automatic symbolic verification of embedded systems. In: IEEE Real-Time Systems Symposium, pp. 2–11 (1993)
3. Alur, R., Henzinger, T.A., Lafferriere, G., Pappas, G.J.: Discrete abstractions of hybrid systems. Proc. of the IEEE 88, 971–984 (2000)
4. Bauer, K.: Three-valued μ-calculus on hybrid automata. Master’s thesis, Master Thesis, University of Kaiserslautern, Department of Computer Science (2008)
5. Lecture Notes in Computer Science;S. Bensalem,1993