TY  - BOOK
AU  - FRENZEL L. E.
TI  - PRINCIPLES OF ELECTRONIC COMMUNICATION SYSTEMS
U1  - 621.381 
PY  - 2008///,R.P.2012
PB  - TATA MCGRAW HIL;L
KW  - ELECTRONICS AND TELECOMMUNICATION
N1  - SE/SI/273
ER  -