Automata, Languages and Programming 30th International Colloquium, ICALP 2003, Eindhoven, The Netherlands, June 30 - July 4, 2003. Proceedings - Baeten, Jos C.M; Baeten, Jos C.M; Lenstra, Jan Karel; Lenstra, Jan Karel; Parrow, Joachim; Parrow, Joachim; Woeginger, Gerhard J.; Woeginger, Gerhard J. (Springer Berlin Heidelberg : Imprint: Springer, 2003)