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Prediction of far field noise from wind energy farms

Shepherd, Kevin P., author.
Hampton, Virginia : Bionetics Corporation : National Aeronautics and Space Administration, Langley Research Center, 1986. 1986

A study of the sonic-boom characteristics of a blunt body at a Mach number of 6

Ashby, George C., author.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, December 1980. 1980-

Wave propagation in anisotropic medium due to an oscillatory point source with application to unidir

Williams, James H.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986. 1986