TY  - BOOK
AU  - Bates, Regis J.
AU  - Gregory, Donald W.
TI  - Voice and Data Communications Handbook
SN  - 9780070647664
U1  - 004.6 
PY  - 2006///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Electronic Engineering
ER  -