TY  - BOOK
AU  - Gagliardi,Robert M.
TI  - Satellite communications
SN  - 8123909195
AV  - TK5104 .G33 1987
U1  - 621.38254 
PY  - 1987///
CY  - New Delhi
PB  - CBS Publishers
KW  - Artificial satellites in telecommunication
ER  -