Formation and dynamics of water clouds on temperate sub-Neptunes: the example of K2-18b B. Charnay, D. Blain, B. Bézard, J. Leconte, M. Turbet and A. Falco A&A, 646 (2021) A171 Published online: 23 February 2021 DOI: 10.1051/0004-6361/202039525