TY  - BOOK
AU  - Blake, Roy
AU  - Blake, Roy
TI  - Electronic communication systems
SN  - 9788131518410
AV  - 621.382 BLA 2002 
U1  - 621.382 BLA 2002 
PY  - 2002///
CY  - New Delhi
PB  - Cengage Learning
KW  - Communication Engineering
ER  -