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United States civil space policy : summary of a workshop /

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The politics of space security : strategic restraint and the pursuit of national interests / per Moltz, James Clay

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The politics of space security : strategic restraint and the pursuit of national interests / per Moltz, James Clay

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Impossible horizon : the essence of space exploration / per Arnould, Jacques, Frère

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Realizing tomorrow : the path to private spaceflight / per Dubbs, Chris

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