TAPSOFT '91: Proceedings of the International Joint Conference on Theory and Practice of Software Development, Brighton,

CCS for OO and LP.- An extended expansion theorem.- Concurrent abstract machines.- Knowledge and probability in distributed systems: Abstract.- Verification methods for finite systems.- Interactive interworking for interoperating systems.- Formal specification of object systems.- On the relationship between algebraic module specifications and program modules.- Testing against formal specifications: A theoretical view.- Construction and reuse of formal program developments.- A theory of program modifications.- Proving termination of logic programs by exploiting term properties.- Parametric order-sorted types in logic programming.- Exploiting non-determinism through laziness in guarded functional languages.- Non-standard interpretations of LOTOS specifications.- A new technique for strictness analysis.- Using higher order logic for modelling real-time protocols.- Combining interaction and automation in process algebra verification.- Refining interfaces of communicating systems.- Structuring specifications in-the-large and in-the-small: Higher-order functions, dependent types and inheritance in SPECTRAL.- Actor-oriented system specification with dynamic logic.- Towards a formally based component description language.- On addition schemes.- Efficient code motion and an adaption to strength reduction.- On narrowing strategies for partial non-strict functions.- From reduction machines to narrowing machines.- The evaluation transformer model of reduction and its correctness.