Characterization of key isotope and gas mixing ratios in the upper atmosphere of Mars
Mehdi Benna, University of Maryland Baltimore County, Baltimore, United States, Paul R Mahaffy, NASA Goddard Space Flight Center, Greenbelt, United States, Bruce M Jakosky, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States and Roger V Yelle, University of Arizona, Lunar and Planetary Laboratory, Tucson, United States
