A unified datum for Africa
The present document contains information on the unified datum for Africa, of the Third Regional Cartographic Conference for Africa held at Addis Ababa (Ethiopia) from 30 October - 10 November 1972.
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| Format: | Working paper biblioteca |
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| Language: | eng |
| Published: |
1972-10
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| Online Access: | http://hdl.handle.net/10855/11052 |
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