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Defence Research. Nature 218, 912–913 (1968). https://doi.org/10.1038/218912b0
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DOI: https://doi.org/10.1038/218912b0
Nature volume 218, pages 912–913 (1968)
Defence Research. Nature 218, 912–913 (1968). https://doi.org/10.1038/218912b0
Issue Date:
DOI: https://doi.org/10.1038/218912b0