Fundamental Approaches to Software Engineering First International Conference, FASE'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 - Astesiano, Egidio; Astesiano, Egidio (Springer Berlin Heidelberg : Imprint: Springer, 1998)