1. Alur, R., Dill, D.L.: A theory of timed automata. Theoretical Computer Science 126(2), 183–235 (1994),
citeseer.nj.nec.com/alur94theory.html
2. Lecture Notes in Computer Science;R. Alur,2001
3. Andrews, T., Curbera, F., Dholakia, H., Goland, Y., Klein, J., Leymann, F., Liu, K., Roller, D., Smith, D., Thatte, S., Trickovic, I., Weerawarana, S.: BPEL4WS, Business Process Execution Language for Web Services Version 1.1. IBM (2003)
4. Badban, B., Leue, S., Smaus, J.-G.: Automated predicate abstraction for real-time models. EPTCS 10, 36 (2009), doi:10.4204/EPTCS.10.3
5. Causevic, A., Seceleanu, C., Pettersson, P.: Formal reasoning of resource-aware services. Technical Report ISSN 1404-3041 ISRN MDH-MRTC-245/2010-1-SE, Mälardalen University (June 2010)