Seasonal variations of hydrogen peroxide and water vapor on Mars: Further indications of heterogeneous chemistryT. Encrenaz, T. K. Greathouse, F. Lefèvre, F. Montmessin, F. Forget, T. Fouchet, C. DeWitt, M. J. Richter, J. H. Lacy, B. Bézard and S. K. AtreyaA&A, 578 (2015) A127DOI: https://doi.org/10.1051/0004-6361/201425448