Application of ray theory to propagation of low frequency noise from wind turbines
By: James A. Hawkins.
Contributors: Langley Research Center.
Series: NASA contractor report -- 178367.; NASA contractor report -- NASA CR-178367.
Publisher: National Aeronautics and Space Administration, Langley Research Center; For sale by the National Technical Information Service
Published: 1988
Place of publication: Hampton, Va; [Springfield, Va
Language: eng
Format: Microform
Subjects: Sound-waves.; Sound.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington,D.C.? : National Aeronautics and Space Administration], 1988. 2 microfiches.