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Defence Research. Nature 218, 807 (1968). https://doi.org/10.1038/218807a0
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DOI: https://doi.org/10.1038/218807a0
Nature volume 218, page 807 (1968)
Defence Research. Nature 218, 807 (1968). https://doi.org/10.1038/218807a0
Published:
Issue Date:
DOI: https://doi.org/10.1038/218807a0