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Monnin, Eric; Indermühle, Andreas; Dällenbach, Andre ́; Flückiger, Jacqueline; Stauffer, Bernhard; Stocker, Thomas F.; Raynaud, Dominique; Barnola, Jean-Marc (2001). Atmospheric CO2 concentrations over the last glacial termination. Science, 291(5501), pp. 112-114. American Association for the Advancement of Science 10.1126/science.291.5501.112
