The Possibility of Aerial Reconnaissance in the Himalaya: Discussion
| Autor: | Kerr, Mark, Lees, T. Orde, Holdich, Thomas, Swinton, Captain, Taylor, G. I., Kellas, A. M. |
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| Zdroj: | The Geographical Journal, 1918 Jun 01. 51(6), 382-389. |
| Databáze: | JSTOR Journals |
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