TY  - BOOK
AU  - Viswanathan, Thiagarajan
TI  - Telecommunication Switching Systems and Networksnewdelhi
SN  - 9788120307131
U1  - 621.382 
PY  - 1992///
CY  - newdelhi
PB  - Preentice-hall of india private limited
KW  - data networks
KW  - trafic fibre systems
KW  - time division switching
N1  - index
ER  -