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Mars Direct The Gandaddy
1992 NASA Reference Mission Version
The NASA Mars Reference Mission
Mars Direct Summary
1997 NASA Reference Mission Version
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HTML Version of 1997 NASA Reference Mission Version
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1997 NASA Reference Mission Version full pdf
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Reference Mission Version 3.0 Addendum to the Human Exploration of Mars: The Reference Mission of the NASA Mars Exploration Study Team June, 1998
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PBS’ JOURNEY TO MARS 2000
Regards,
Mark