1. Action Refinement in Process Algebra;Aceto,1992
2. Timing and Causality in Process Algebra;Aceto;Acta Informatica,1996
3. Introduction to the ISO Specification Language LOTOS;Bolognesi;Comp. Netw. ISDN Syst.,1987
4. Extending LOTOS with Time: A True Concurrency Perspective;Bowman,1997
5. Interleaving Semantics and Action Refinement with Atomic Choice;Czaja,1992