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Free-field propagation of high intensity noise

Welz, Joseph P.
[State College, Penn.] : Noise Control Laboratory and Applied Research Laboratory, Pennsylvania State University, [1990] 1990

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

Turbofan noise propagation and radiation at high frequencies

Eversman, Walter.
[Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information ; Springfield, VA : National Technical Information Service [distributor, 2003] 2003

Vibration propagation of gear dynamics in a gear-bearing-housing system using mathematical modeling

Parker, Robert G., author.
Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, 2012. 2012