Alan Berube, Jesus Leal Trujillo, Tao Ran, and Joseph Parilla:Global Metro Monitor. In: Brookings. 22.Januar 2015 (brookings.edu[abgerufen am 19.Juli 2018]).
J.-F. Bastin et al.: Understanding climate change from a global analysis of city analogues. In: PLoS One. Nr. 14(7), 2019, e0217592. doi:10.1371/journal.pone.0217592
Fabian Levihn:CHP and heat pumps to balance renewable power production: Lessons from the district heating network in Stockholm. In: Energy. 2017, doi:10.1016/j.energy.2017.01.118.