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A letter from the USSR. Nature 264, 501 (1976). https://doi.org/10.1038/264501b0
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DOI: https://doi.org/10.1038/264501b0
Nature volume 264, page 501 (1976)
A letter from the USSR. Nature 264, 501 (1976). https://doi.org/10.1038/264501b0
Published:
Issue Date:
DOI: https://doi.org/10.1038/264501b0