Viswanathan, Thiagarajan Telecommunication switching systems and networks / Thiagarajan Viswanathan - India Prentice-Hall of India 2001 - 583 p. ISBN: 9788120307131 Subjects--Topical Terms: Computer networksTelecommunication switching systemsᅠSwitching theoryᅠ Dewey Class. No.: 621.38 VIS-T