检索结果 - National Research Council (U.S.). Space Studies Board. Committee on Human Exploration

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    The human exploration of space /

    出版 1997
    “...National Research Council (U.S.). Space Studies Board. Committee on Human Exploration...”
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    Scientific opportunities in the human exploration of space /

    出版 1994
    “...National Research Council (U.S.). Space Studies Board. Committee on Human Exploration...”
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