TY  - BOOK
AU  - Viswanathan, Thiagarajan
TI  - Telecommunication Switching Systems and Networking
SN  - 81-203-0713-5
U1  - 621.382 V834t 1992 
PY  - 1992///
CY  - New Delhi
PB  - Prentice Hall
KW  - Telecommunication
N1  - Communication Engineering
N2  - Telecommunications, Switching, Network
ER  -