1. An initial algebra approach to the specification, correctness and implementation of abstract data types;Goguen,1978
2. On the power of algebraic specifications;Bergstra,1981
3. Conditional rewrite rules : confluence and termination;Bergstra,1982
4. Algebraic specifications of computable and semi-computable data types;Bergstra,1986
5. Asspegique : an integrated environment for algebraic specification;Bidoit,1985