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Climate: Advance of Sahara. Nature 234, 326 (1971). https://doi.org/10.1038/234326a0
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DOI: https://doi.org/10.1038/234326a0
Nature volume 234, page 326 (1971)
Climate: Advance of Sahara. Nature 234, 326 (1971). https://doi.org/10.1038/234326a0
Issue Date:
DOI: https://doi.org/10.1038/234326a0