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Milkov, A.V., Etiope, G. Global methane emission through mud volcanoes and its past and present impact on the Earth’s climate—a comment. Int J Earth Sci (Geol Rundsch) 94, 490–492 (2005). https://doi.org/10.1007/s00531-005-0480-5
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DOI: https://doi.org/10.1007/s00531-005-0480-5