TY  - BOOK
AU  - HA, Tri T.
TI  - Digital satellite communications
SN  - 0071007520
U1  - 621.384156 
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - Artifacial Satellite
KW  - Digital Communcitaions
ER  -