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038798190X
038798190X
http://www.amazon.com/Martian-Outpost-Challenges-Establishing-Exploration/dp/038798190X
Colonization of Mars
Human outpost
Link from a Wikipage to an external page
038798190X
http://www.amazon.com/Martian-Outpost-Challenges-Establishing-Exploration/dp/038798190X