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ArtsutanovPravda.pdf (file size: 130 KB, MIME type: application/pdf)
Original Space Elevator article by Yuri Artsutanov from Pravda, 1960
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|current||06:15, 7 July 2008||(130 KB)||BenShelef||Original Space Elevator article by Yuri Artsutanov from Pravda, 1960|