TY  - BOOK
AU  - Roddy, D
TI  - Satellite communications 4th edi
SN  - 978-0-07-07785-0
U1  - 621.382.5 
PY  - 2011///
CY  - New Delhi
PB  - Tata Mcgraw Hill
KW  - Electrical Electronics Communication
ER  -