TY  - BOOK
AU  - GNANASIVAM, P.
TI  - TELECOMMUNICATION SWITCHING AND NETWORKS
SN  - 8122415830
U1  - 621.381 537 2/GNA 
PY  - 2005///
CY  - NEW DELHI.
PB  - NEW AGE INTERNATIONAL (P) LTD.PUBLISHER., NEW DELHI
ER  -