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doi:10.3189/S0260305500267906

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Volume 52, Issue 57
DOI: https://doi.org/10.3189/S0260305500267906

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Volume 52, Issue 57
DOI: https://doi.org/10.3189/S0260305500267906

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Volume 52, Issue 57
DOI: https://doi.org/10.3189/S0260305500267906

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