TY  - BOOK
AU  - Vishwanathan, Thiagaraja
AU  - Vishwanathan, Thiagaraja
TI  - Telecommunicaiton switching system and networks
SN  - 9788120307131
U1  - 621.3821 VIS/TEL 
PY  - 2011///
CY  - New Delhi
PB  - Prentice Hall of India Private limited
KW  - ELECTRONICS AND COMMUNICATION ENGINEERING
ER  -