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Sweeping forward : Developing & flight testing the Grumman X-29A Forward Swept Wing Research Aircraft | Bok | Digital PDF Johnsen, Frederick A. / - Washington, DC : National Aeronautics and Space Administration, 2013. [Bok]. - viii, 328 pages (NASA Aeronautics Book Series) - Språk: Engelsk | Johnsen, Frederick A. | 2013 |
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World air power : Journal | Hefte | 358.4 Wor London : Aerospace/Airtime Publishing, 1993. [Hefte]. - 160 s. (World air power : Vol. 13) - Språk: Engelsk | | 1993 |