A community survey of helicopter noise annoyance conducted under controlled noise exposure conditions
By: James M. Fields and Clemans A. Powell.
Contributors: Powell, Clemans A.; Langley Research Center.
Series: NASA technical memorandum -- 86400.
Publisher: National Aeronautics and Space Administration, Langley Research Center
Published: 1985
Place of publication: Hampton, Va
Language: eng
Format: Microform
Subjects: Noise -- Measurement.; Noise -- Public opinion.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1985. 2 microfiches ; 11 x 15 cm.