TY  - BOOK
AU  - Couch, Leon W.
AU  - Couch, Leon W.
TI  - Modern communication systems :  principles and applications    
SN  - 9788120312791
AV  - 621.382 COU 1998 
U1  - 621.382 COU 1998 
PY  - 1998///
CY  - New delhi
PB  - PHIndia
KW  - Communication Engineering
ER  -