Manned mars missions from 1975-85
A study of manned mars exploration in the unfavorable time period /1975-1985/
12.06.1964
Sonstige
Keine Angabe
Englisch
Study for Mars Manned Exploration
NTIS | 2012
|Mars round-trip mission analysis for 1975-1985 time period
Engineering Index Backfile | 1965
|