1. A formal OO method inspired by Fusion and Object-Z;Achatz,1997
2. Plugging data constructs into paradigm-specific languages;Astesiano,2000
3. On the parameterized algebraic specification of concurrent processes;Astesiano,1985
4. Process Algebra;Baeten,1990
5. Algebra of communicating processes with abstraction;Bergstra;Theoret. Comput. Sci.,1985