Digital twins for cities and regions : global challenges, regional initiatives,
European approachesKern, Leyla; Dembski, Fabian; Wössner, UweEU Conference on modelling for policy support, 22-26 November 2021, Brussels : Abstracts2021 / p. 51-54 https://knowledge4policy.ec.europa.eu/sites/default/files/2021_EU_CONF_MOD_Booklet_of_abstracts.pdf