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Rich, V. Comecon. Nature 268, 685 (1977). https://doi.org/10.1038/268685a0
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DOI: https://doi.org/10.1038/268685a0
Nature volume 268, page 685 (1977)
Rich, V. Comecon. Nature 268, 685 (1977). https://doi.org/10.1038/268685a0
Issue Date:
DOI: https://doi.org/10.1038/268685a0