TY  - BOOK
AU  - Roddy ,Dennis
TI  - Electronic communications
SN  - 8120309847
U1  - 621.38 R686e 2005 
PY  - 2005///
CY  - New Delhi
PB  - Prentice hall of India
KW  - Telecommunication
KW  - Electronics
KW  - Telecommunication system
N1  - includes index
ER  -