TY  - BOOK
AU  - Curtis, Denis J., ed.
TI  - Trends in communications satellites
SN  - 0080232256
U1  - 621.380422 
PY  - 1979///
CY  - Oxford
PB  - Pergamon
N1  - Special Issues of Aeta Astronautica, V.5, Nos 3-6
ER  -