TY  - BOOK
AU  - Ziemer, R.E
TI  - Principles of communications systems, modulation and noise 
SN  - 1.0817224536e+011
AV  - TK 5101 Z57 1990  
PY  - 1990///.
CY  - India: 
PB  - Jaico publishing House
KW  - _Communication
N1  - Includes Index
ER  -