{"id":"montmessin2021stringent","DOI":"10.1051/0004-6361/202140389","URL":"https://doi.org/10.1051/0004-6361/202140389","type":"article-journal","title":"A stringent upper limit of 20 pptv for methane on Mars and constraints on its dispersion outside Gale crater","author":[{"given":"F.","family":"Montmessin"},{"given":"O. I.","family":"Korablev"},{"given":"A.","family":"Trokhimovskiy"},{"given":"F.","family":"Lefèvre"},{"given":"A. A.","family":"Fedorova"},{"literal":"et al."}],"issued":{"date-parts":[[2021]]},"year-text":"2021","container-title":"Astronomy & Astrophysics 650, A140","catalog-key":"SRC0D7EXPCG3CNM"}