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Yearbook on space policy 2017: security in outer space: rising stakes for civilian space programmes

This new ocean : the story of the first space age / William E. Burrows

Space stations present and future : proceedings of the 25th International Astronautical Congress, Amsterdam, the Netherlands, 30 September-5 October, 1974 / editor, L.G. Napolitano, P. Contensou and W.F. Hilton

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