The atmospheric chemistry of the warm Neptune GJ 3470b: Influence of metallicity and temperature on the CH4/CO ratioOlivia Venot, Marcelino AgĂșndez, Franck Selsis, Marcell Tessenyi and Nicolas IroA&A, 562 (2014) A51DOI: https://doi.org/10.1051/0004-6361/201322485