TY  - BOOK
AU  - Viswanathan , Thiagarajan
TI  - Telecommunication Switching Systems and Netwoks
SN  - 8120307135
U1  - 621.382 VIS 
PY  - 1999///
CY  - New Delhi
PB  - Prentice Hall
KW  - Telecommunication Engineering
KW  - Technology
N1  - Includes Index
ER  -