Effects of propeller rotation direction on airplane interior noise levels
By: Conrad M. Willis, William H. Mayes, and Edward F. Daniels.
Contributors: Mayes, William H.; Daniels, Edward F.; United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch.
Series: NASA technical paper -- 2444.
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch; For sale by the National Technical Information Service]
Published: 1985
Place of publication: [Washington, DC]; [Springfield, Va
Language: eng
Format: Microform
Subjects: Noise control.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington,D.C.? : National Aeronautics and Space Administration], 1985. 1 microfiche.