Catalin Dima. Kleene Theorems for Event-Clock Automata.
Fundamentals of Computation Theory, 12th International Symposium, FCT '99, Iasi, Romania, August 30 - September 3, 1999, Proceedings, 1999, Unknown, Unknown Region. pp.215--225, 1999,
〈10.1007/3-540-48321-7_17〉.
〈hal-01699973〉 
