TY  - BOOK
AU  - Roddy, D.S.
AU  - Coolen, John
TI  - Electronic communications
SN  - 0028005929
U1  - 621.382 
PY  - 1999///
CY  - New Delhi
PB  - PHI
KW  - Electrical & Electronics Engineering
KW  - Electronics & Communication Engg
ER  -