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Changes for African Agriculture. Nature 218, 1203 (1968). https://doi.org/10.1038/2181203a0
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DOI: https://doi.org/10.1038/2181203a0
Nature volume 218, page 1203 (1968)
Changes for African Agriculture. Nature 218, 1203 (1968). https://doi.org/10.1038/2181203a0
Issue Date:
DOI: https://doi.org/10.1038/2181203a0