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Original Russian Text © V.V. Ermakov, 2009, published in Geokhimiya, 2009, No. 4, pp. 443–445.
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Ermakov, V.V. IV International Symposium on the Geochemistry of the Biosphere. Geochem. Int. 47, 419–421 (2009). https://doi.org/10.1134/S0016702909040090
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DOI: https://doi.org/10.1134/S0016702909040090