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Schallisolierung
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Tracked Air Cushion Research Vehicle. Volume I. Research Vehicle Preliminary Design
727Noise Retrofit Feasibility. Volume I. Lower Goal Design, Fabrication, Ground and Flight Testing
727 Noise Retrofit Feasibility. Volume III. Upper Goal Flight Testing and Program Summary
Test and Evaluation of a Quiet Helicopter Configuration HH-43B
An Acoustical Flight Evaluation of a Rotating Combustion Engine
SST Technology Follow-On Program - Phase I, a Summary of the SST Jet Noise Suppression Test Program