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planet
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keywords:(Mars (planet))
Representative options for human exploration of planet Mars
EFFECT OF DIURNAL FREEZE-THAWING ON SURVIVAL AND GROWTH OF SELECTED BACTERIA
Decontamination standards for Martian exploration programs
A study of manned mars exploration in the unfavorable time period /1975-1985/
Nasa to begin unmanned mars exploration this year /a fact sheet/ news release no. 64-205
Manned mars exploration in the unfavorable time period /1975-1985/
Integration of Moon and Mars programs in the 21st century : Problem, definition and approach
Benefit estimating relationships for the evaluation of extraterrestrial facilities