1. Babaoglu, O., Marzullo, K.: Consistent global states of distributed systems: fundamental concepts and mechanisms. In: Mullender, S.J. (ed.) Distributed Systems. Addison-Wesley, Reading (1995)
2. Stoller, S.D.: Detecting global predicates in distributed systems with clocks. Distrib. Comput. 13(2), 85–98 (2000)
3. Marzullo, K., Wood, D.: Tools for constructing distributed reactive systems. Technical report 14853, Cornell University, Department of Computer Science, Feb. 1991
4. Tudruj, M.: Fine-grained global control constructs for parallel programming environments. In: Bakkers, A. (ed.) Parallel Programming and Java: WoTUG-20, pp. 229–243. IOS, Amsterdam (1997)
5. Kluwer International Series in Engineering and Computer Science;M Tudruj,2004