Experiments to Determine Neighborhood Reactions to Light Airplanes With and Without External Noise Reduction
| Author: | Elwell, Fred S. |
|---|---|
| Year: | 1950 |
| Document Type: | N/A |
| Series: | NACA Technical Reports |
| Report Number: | NACA-TR-1156 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc60527/ |