Title	Authors	Year
NGRIP CH4 concentration from 120 to 10 kyr before present and its relation to ?15N temperature reconstruction from the same ice core. Clim. Past, 10, pp. 903-920.	Baumgartner, Matthias, P. Kindler, O. Eicher, G. Floch, A. Schilt, J. Schwander, R. Spahni, E. Capron, J. Chappellaz, M. Leuenberger, H. Fischer u. T.F. Stocker	2014

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