1. Lecture Notes in Computer Science;A. Aziz,1995
2. Lecture Notes in Computer Science;A. Bianco,1995
3. Lecture Notes in Computer Science;A.S. Miner,1999
4. Tanenbaum, A.S.: Computer Networks, 4th edn. Prentice Hall, Englewood Cliffs (2003)
5. Papoulis, A.: Probability, Random Variables, and Stochastic Processes, 3rd edn. McGraw-Hill, New York (1991)