TY  - BOOK
AU  - Usher  , M.J
TI  - Information and Communication for Engineers
SN  - 333615271
U1  - 621.3822 USH 
PY  - 1997///
CY  - London
PB  - The Macmillan Press
KW  - Electronic Engineering
KW  - Technology
N1  - Includes Index
ER  -