TY  - BOOK
AU  - Bates, Rajis J.
AU  - Gregory. Donald W.
TI  - Voice and Data Communications Handbook
SN  - 0070472815
U1  - 621.382 BAT 
PY  - 2003///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing
KW  - Voice communications
KW  - Telecommunications
KW  - Data communications
ER  -