1. M. Aiello, H. van Benthem, A Modal Walk Through Space, Tech. rep., Institute for Logic, Language and Computation, University of Amsterdam, 2001.
2. A theory of timed automata;Alur;Theor. Comput. Sci.,1994
3. A really temporal logic;Alur;J. ACM,1994
4. A tutorial on uppaal;Behrmann,2004
5. Timed automata: semantics, algorithms and tools;Bengtsson,2003