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Mortensen, Anette K.; Bigler, Matthias; Grönvold, Karl; Steffensen, Jørgen P.; Johnsen, Sigfús J. (2005). Volcanic ash layers from the Last Glacial Termination in the NGRIP ice core. Journal of quaternary science JQS, 20(3), pp. 209-219. John Wiley & Sons, Ltd. 10.1002/jqs.908
