TY  - GEN
AU  - Thiagarajan Viswanathan
TI  - Telecommunications Switching Systems and Networks
SN  - 9788120307131
U1  - 621 22
PY  - 2007///
CY  - New Dhelhi
PB  - Prentice Hall of India
KW  - Telecommunications
N1  - Technology
ER  -