TY  - BOOK
AU  - Viswanathan, Thiagarajan
TI  - Telecommunication switching systems and networks
SN  - 81-203-0713-5
U1  - 621.3192 VIS 
PY  - 2000///
CY  - NEW DELHI
PB  - PRENTICE HALL
KW  - TELECOMMUNICATION SYSTEMS AND NETWORKS NETWORKS-TELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
ER  -