Aerial navigation : on the problem of guiding aircraft in a fog or by night when there is no visibility
| Author: | Loth, William |
|---|---|
| Year: | 1922 |
| Document Type: | N/A |
| Series: | NACA Technical Memorandums |
| Report Number: | NACA-TM-57 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc53657/ |