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1Published 2012Subjects: “...Space sciences Government policy United States....”
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2Published 2010Subjects: “...National security United States...”
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Government Document Electronic eBook -
3Published 2008Subjects: “...United States. National Aeronautics and Space Administration http://id.loc.gov/authorities/names/n...”
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Government Document Electronic eBook -
4Published 2010Subjects: “...United States. National Aeronautics and Space Administration. http://id.loc.gov/authorities/names/n...”
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5Published 2008Subjects: “...://id.loc.gov/authorities/subjects/sh99005269 United States. http://id.loc.gov/authorities/names/n78095330...”
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Government Document Electronic eBook -
6Published 2008Subjects: “...United States. National Aeronautics and Space Administration. http://id.loc.gov/authorities/names/n...”
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Government Document Electronic eBook