TY  - BOOK
AU  - Blake, Roy
AU  - Blake, Roy
TI  - Basic electronic communication
SN  - 314012001
AV  - 621.382 BLA 1993 
U1  - 621.382 BLA 1993 
PY  - 1993///
CY  - USA
PB  - West Pub
KW  - Communication Engineering
ER  -