1. Specification aspects of VDM;Andrews;Information and Software Technology,1988
2. A framework for the specification of reactive and concurrent systems in Z;Baumann,1995
3. Algebraic Specification;Bergstra,1989
4. Using transformations in specification-based prototyping;Bersins;IEEE Transactions on Software Engineering,1993
5. Asspegique: an integrated environment for algebraic specifications;Bidoit,1985