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