1. R. Alur, C. Courcoubetis, and D. Dill. Model-checking for real-timed systems. In Proc. of the 5th IEEE Symp. on Logic in Computer Science, pp. 414–425, 1990.
2. R. Alur, C. Courcoubetis, D. Dill, N. Halbwachs, and H. Wong-Toi. An implementation of three algorithms for timing verification based on automata emptiness. In Proc. of Real-Time Systems Symp., pp. 157–166, 1992.
3. R. Alur, C. Courcoubetis, N. Halbwachs, D. Dill, and H. Wong-Toi. Minimization of timed transition systems. In Proc. of CONCUR'92, Springer-Verlag LNCS 630, pp. 341–354, 1992.
4. R. Alur, and D. Dill. Automata for modeling real-time systems. In Proc. of the 17th Intl. Colloq. on Automata, Languages and Programming, Springer-Verlag LNCS 443, pp. 322–335, 1990.
5. R. Alur, and T. Henzinger. A really temporal logic. In Proc. of the 30th IEEE Symp. on Foundations of Computer Science, pp. 164–169, 1989.