{"id":"webster2015mars","DOI":"10.1126/science.1261713","URL":"https://doi.org/10.1126/science.1261713","type":"article-journal","title":"Mars methane detection and variability at Gale crater","author":[{"given":"Christopher R.","family":"Webster"},{"given":"Paul R.","family":"Mahaffy"},{"given":"Sushil K.","family":"Atreya"},{"given":"Gregory J.","family":"Flesch"},{"literal":"et al."}],"issued":{"date-parts":[[2015]]},"year-text":"2015","container-title":"Science 347(6220), 415–417","catalog-key":"SRC0D7EXM667PXG"}