TY  - GEN
AU  - Roddy, Dennis4060
TI  - Satellite communications/ 4th ed
SN  - 0071462988 
U1  - 621.39:629.783 
PY  - 2006///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Telecommunication
KW  - 621.39:629.783
ER  -