TY  - BOOK
AU  - Viswanathan,Thiagarajan
TI  - Telecommunication switching syastems and networks
SN  - 81203047135
U1  - 621.3815 22
PY  - 1992///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Telecommunication
N1  - Includes Index
ER  -