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Güllük, T.; Slemr, F.; Stauffer, B. (1998). Simultaneous measurements of CO2, CH4, and N2O in air extracted by sublimation from Antarctica ice cores: Confirmation of the data obtained using other extraction techniques. Journal of Geophysical Research: Atmospheres, 103(D13), pp. 15971-15978. American Geophysical Union 10.1029/98JD00686
