Men against the desert: a new Sahara 'garrison'; the desert scientists
Reprint of the first three stories in the series 'Men against the desert', which will be distributed to newspapers throughout the world by UNESCO; results of Mr. Calder's studies will be widely used in school courses in the UK dealing with history, scripture, economics, geography and current affairs
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| Format: | article biblioteca |
| Language: | eng |
| Subjects: | Desert science, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000074271 |
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