Stringent upper limit of CH4 on Mars based on SOFIA/EXES observations
S. Aoki, M.J. Richter, C. DeWitt, A. Boogert, T. Encrenaz, H. Sagawa, H. Nakagawa, A. C. Vandaele, M. Giuranna, T. K. Greathouse, T. Fouchet, A. Geminale, G. Sindoni, M. McKelvey, M. Case and Y. Kasaba
A&A, 610 (2018) A78
DOI: https://doi.org/10.1051/0004-6361/201730903
