【作者(必填)】Zubrin etc.
【文题(必填)】The Case for Mars: The Plan to Settle the Red Planet and Why We Must
【年份(必填)】2011
【全文链接或数据库名称(选填)】https://www.amazon.com/Case-Mars-Plan-Settle-Planet/dp/145160811X/ref=sr_1_6?keywords=mars&qid=1552210718&rnid=1000&s=books&sr=1-6



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