TY  - BOOK
AU  - Roddy, Dennis
AU  - Coolen, John
TI  - Electronics communications
SN  - 8120309847
U1  - 621.382 
PY  - 1999///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Electrical & Electronics Engineering
KW  - Electronics & Communication Engg
ER  -