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Evaluation of a doubly-swept blade tip for rotorcraft noise reduction [microform] / Brian E. Wake and T. Alan Egolf.
Text
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1992]
1992
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An analysis for high speed propeller-nacelle aerodynamic performance prediction [microform] / T. Alan Egolf ... [et al.].
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[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Division ; [Springfield, Va. : For sale by the National Technical Information Service], 1988.
1988
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