1. A hidden agenda;Goguen;Theoretical Computer Science,2000
2. Behavioural coherence in object-oriented algebraic specification;Diaconescu;Journal of Universal Computer Science,2000
3. Order-sorted algebra I: equational deduction for multiple inheritance, overloading, exceptions and partial operations;Goguen;Theoretical Computer Science,1992
4. Proof scores in the OTS/CafeOBJ method;Ogata,2003
5. Software Engineering with OBJ: Algebraic Specification in Action,2000