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The Federal Institute of Industrial Research, Nigeria. Nature 197, 750 (1963). https://doi.org/10.1038/197750c0
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DOI: https://doi.org/10.1038/197750c0
Nature volume 197, page 750 (1963)
The Federal Institute of Industrial Research, Nigeria. Nature 197, 750 (1963). https://doi.org/10.1038/197750c0
Issue Date:
DOI: https://doi.org/10.1038/197750c0