Tools and Algorithms for the Construction and Analysis of Systems 4th International Conference, TACAS'98, Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS'98, Lisbon, Portugal, March 28 - April 4, 1998, Proceedings - Steffen, Bernhard; Steffen, Bernhard (Springer Berlin Heidelberg : Imprint: Springer, 1998)