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Tang, T. Chinese exchanges easier. Nature 271, 604 (1978). https://doi.org/10.1038/271604a0
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DOI: https://doi.org/10.1038/271604a0
Nature volume 271, page 604 (1978)
Tang, T. Chinese exchanges easier. Nature 271, 604 (1978). https://doi.org/10.1038/271604a0
Issue Date:
DOI: https://doi.org/10.1038/271604a0