TY  - BOOK
AU  - Viswanathan, Thiyagarajan  :
TI  - Telecommunication switching systems and networks
SN  - 8120307135 
U1  - 621.382 
PY  - 1992///
CY  - New Delhi
PB  - Prentice-Hall off India Private Ltd., 
KW  - Telecommunication -- Switching systems
KW  - Telephone systems
KW  - Data transmission systems
KW  - Integrated services digital networks
N1  - Included Index
ER  -