Title: Aircraft engine noise reduction; the proceedings of a conference held May 16-17, 1972, at the NASA Lewis Research Center, Cleveland, Ohio.
Authors: Lewis Research Center.
Publisher: Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the National Technical Information Service, Springfield, Va.]
Year: 1972
Subjects: Airplanes Noise Congresses.; Airplanes Motors Congresses.; Noise control Congresses