TY  - BOOK
AU  - Davis kennedy
TI  - Electronic communication systems
SN  - 0074636820
U1  - 621.38 
PY  - 1993///
CY  - New delhi
PB  - Tata Mc-Graw-Hill Publishing Company Limited
KW  - Introduction to communications systems
KW  - External noise
KW  - Internal noise
N1  - Index
ER  -