TY  - BOOK
AU  - Bates,Regis J; Gregory, Donald W.
TI  - Voice and data communications handbook
SN  - 70402000
U1  - 004.65 BATR 
PY  - 2000///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company Ltd
KW  - Computer Networks
ER  -