TY  - BOOK
AU  - Roddy,Dennis, Coolen, John
AU  - x
TI  - Electronic communications: x
SN  - 8120309847
U1  - 621.38/R686e 
PY  - 2003///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Electronics
KW  - Engineering
N1  - Includes
ER  -