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National Agricultural Advisory Service. Nature 185, 504 (1960). https://doi.org/10.1038/185504a0
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DOI: https://doi.org/10.1038/185504a0
Nature volume 185, page 504 (1960)
National Agricultural Advisory Service. Nature 185, 504 (1960). https://doi.org/10.1038/185504a0
Issue Date:
DOI: https://doi.org/10.1038/185504a0