TY  - BOOK
AU  - Shelton,William Roy
ED  - National Geographic Society U.S.
TI  - Man's conquest of space
PY  - 1968///]
CY  - Washington
PB  - National Geographic Society
KW  - Astronautics
KW  - Popular works
KW  - Local
KW  - Outer Space
KW  - Exploration
N1  - "Prepared by National Geographic Special Publications Division."; Bibliography: p. 199
ER  -