Invited Talks -- A Logical Account of NGSCB -- Composing Event Constraints in State-Based Specification -- Formal Description Techniques and Software Engineering: Some Reflections after 2 Decades of Research -- Regular Papers -- Parameterized Models for Distributed Java Objects -- Towards the Harmonisation of UML and SDL -- Localizing Program Errors for Cimple Debugging -- Formal Verification of a Practical Lock-Free Queue Algorithm -- Formal Verification of Web Applications Modeled by Communicating Automata -- Towards Design Recovery from Observations -- Network Protocol System Passive Testing for Fault Management: A Backward Checking Approach -- Connectivity Testing Through Model-Checking -- Fault Propagation by Equation Solving -- Automatic Generation of Run-Time Test Oracles for Distributed Real-Time Systems -- Formal Composition of Distributed Scenarios -- Conditions for Resolving Observability Problems in Distributed Testing -- Integrating Formal Verification with Mur? of Distributed Cache Coherence Protocols in FAME Multiprocessor System Design -- Witness and Counterexample Automata for ACTL -- A Symbolic Symbolic State Space Representation -- Introducing the Iteration in sPBC -- Petri Net Semantics of the Finite ?-Calculus -- Symbolic Diagnosis of Partially Observable Concurrent Systems -- Automatized Verification of Ad Hoc Routing Protocols -- A Temporal Logic Based Framework for Intrusion Detection.