TY  - BOOK
AU  - Kennedy George
AU  -  Davis Bernard
TI  - Electronic communication systems
SN  - 0074636820
U1  - D65,8(B)92, N3 
PY  - 1993///
CY  - New Delhi
PB  - Tata Mcgraw Hill Publishing Company Limited India 
KW  - ENGINEERING
ER  -