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van der Laan, Sander; van der Laan-Luijkx, I. T.; Zimmermann, L.; Conen, F.; Leuenberger, Markus (2014). Net CO 2 surface emissions at Bern, Switzerland inferred from ambient observations of CO 2 , δ(O 2 /N 2 ), and 222 Rn using a customized radon tracer inversion. Journal of Geophysical Research: Atmospheres, 119(3), pp. 1580-1591. American Geophysical Union 10.1002/2013JD020307
