Rotorcraft noise, status and recent developments
By: Albert R. George.
Contributors: United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-194761.; NASA contractor report -- NASA CR-194761.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1993
Place of publication: [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Subjects: Helicopters -- Noise.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 94-0264-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1994] 1 microfiche.