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Rich, V. USSR. Nature 269, 192 (1977). https://doi.org/10.1038/269192a0
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DOI: https://doi.org/10.1038/269192a0
Nature volume 269, page 192 (1977)
Rich, V. USSR. Nature 269, 192 (1977). https://doi.org/10.1038/269192a0
Issue Date:
DOI: https://doi.org/10.1038/269192a0