TY  - BOOK
AU  - Sharpe, Mitchell R
TI  - Satellites and probes: the development of unammanned space flight 
AV  - TL 793 S425
PY  - 1970///
CY  - Garden City, N.Y.
PB  - Doubleday
KW  - Satélites artificiales
KW  - Exploraciones espaciales
ER  -