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The Effectiveness of Two Types of Insulation in the Chss-2 Helicopter
Reduction of Noise and Vibration on Fork Lift Trucks
Acoustics and Noise Control in Space Crew Compartments
McDonnell Douglas Helicopter Company Independent Research and Development: Preparing for the Future
Institute of Sound and Vibration Research Annual Report, Mar. 1969
Integration of Quieting Technology into New Mantrip Vehicles
Measurements of the Attenuation of an Army Headset
Progress of NASA Research Relating to Noise Alleviation of Large Subsonic Jet Aircraft