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The Compressibility Burble and the Effect of Compressibility on Pressures and Forces Acting on a Airfoil (1939)
NASA Technical Reports Server (NTRS) · leaf 13
REPORT NO. 646—NATIONAL ADVISORY COMMITTEE FOR AERONAUTICSNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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