TY  - BOOK
AU  - Blake, Roy
TI  - Electronic communication systems
SN  - 9788131503072
U1  - 621.382 
PY  - 2002///
CY  - New Delhi
PB  - Cengage Learning India
KW  - Telecommunication systems
KW  - Computer networks
KW  - Electronic computers
KW  - Electronic appliances and apparatus
ER  -