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Dr H. W. Parker. Nature 220, 1155 (1968). https://doi.org/10.1038/2201155b0
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DOI: https://doi.org/10.1038/2201155b0
Nature volume 220, page 1155 (1968)
Dr H. W. Parker. Nature 220, 1155 (1968). https://doi.org/10.1038/2201155b0
Issue Date:
DOI: https://doi.org/10.1038/2201155b0