UHB demonstrator interior noise control flight tests and analysis
By: M.A. Simpson ... [et al.].
Contributors: Simpson, Myles.; Langley Research Center.
Series: NASA contractor report -- 181897.; NASA contractor report -- NASA CR-181897.
Publisher: National Aeronautics and Space Administration, Langley Research Center
Published: 1990
Place of publication: Hampton, Va
Language: eng
Format: Microform
Subjects: Airplanes -- Turbine-propeller engines -- Noise.; Acoustical engineering.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1990. 2 microfiches.