TY  - BOOK
AU  - Viswanathan,Thiagrajan
TI  - Telecommunication switching  systems and networks
SN  - 9788120350830
U1  - 621.38 VIS 19
PY  - 2015/// [reprinted 2020]
CY  - Delhi
PB  - PHI Learning Private Limited
KW  - Telecommunication systems
N1  - Includes bibliography and index
ER  -