TY  - BOOK
AU  -  Gnanasivam, P.
TI  - Telecommunication switching and networks
SN  - 9788122419
U1  - 621.382 
PY  - 2006///
CY  - New Delhi
PB  - New Age International (P) Ltd.
KW  - Telecommunication -- Switching systems.
N1  - Includes bibliography
ER  -