TY  - BOOK
AU  - Held Gill 
TI  - Voice & Data Internetworking
U1  - 004.65/384.3 
PY  - 2001///
CY  - Delhi
PB  - Tmh
KW  - Voice & Data Internetworking
KW  - Telecommunication Networks
N1  - Varma Book Distributors1250/01-02; 1250/01-02
ER  -