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Corcho Alvarado, J. A.; Purtschert, R.; Barbecot, Florent; Chabault, C; Rueedi, J; Schneider, V; Aeschbach-Hertig, W; Kipfer, R; Loosli, H. H. (2007). Constraining the age distribution of highly mixed groundwater using Ar: A multiple environmental tracer (H/He, Kr, Ar, and C) study in the semiconfined Fontainebleau Sands Aquifer (France). Water resources research, 43(3) Washington, D.C.: American Geophysical Union 10.1029/2006WR005096
Huber, Christof; Beyerle, Urs; Leuenberger, Markus; Schwander, Jakob; Kipfer, R; Spahni, Renato; Severinghaus, J.P.; Weiler, Karin (2006). Evidence for molecular size dependent gas fractionation in firn air derived from noble gases, oxygen, and nitrogen measurements. Earth and planetary science letters, 243(1-2), pp. 61-73. Amsterdam: Elsevier 10.1016/j.epsl.2005.12.036
