Investigation of helicopter rotor blade/wake interactive impulsive noise
By: S.J. Miley, G.F. Hall, E. von Lavante.
Contributors: Hall, G. F.; Lavante, E. von.; Ames Research Center.
Series: NASA contractor report -- 177435.; NASA contractor report -- NASA CR-177435.
Publisher: National Aeronautics and Space Administration, Ames Research Center; For sale by the National Technical Information Service
Published: 1988
Place of publication: Moffett Field, Calif; [Springfield, Va
Language: eng
Format: Microform
Subjects: Rotors (Helicopters) -- Aerodynamics.
Notes: Distributed to depository libraries in microfiche.

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