@article{Alday_2021, title={Isotopic Composition of CO2 in the Atmosphere of Mars: Fractionation by Diffusive Separation Observed by the ExoMars Trace Gas Orbiter}, volume={126}, ISSN={2169-9100}, url={http://dx.doi.org/10.1029/2021JE006992}, DOI={10.1029/2021je006992}, number={12}, journal={Journal of Geophysical Research: Planets}, publisher={American Geophysical Union (AGU)}, author={Alday, Juan and Wilson, Colin F. and Irwin, Patrick G. J. and Trokhimovskiy, Alexander and Montmessin, Franck and Fedorova, Anna A. and Belyaev, Denis A. and Olsen, Kevin S. and Korablev, O. and Lefèvre, Franck and Braude, Ashwin S. and Baggio, Lucio and Patrakeev, Andrey and Shakun, Alexey}, year={2021}, month=dec }