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Wilbur and Orville Wright: A Chronology Commemorating the One-Hundredth Anniversary of the First Powered Flight on December 17, 1903

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monograph32.pdf Unconventional, Contrary, and Ugly: The Lunar Landing Research VehicleMiniaturyAmerican X-Vehicles: An Inventory- X-1 to X-50

NASA SP-2003-4532

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