@incollection{2022:gurr:introducti, title = {Introduction}, year = {2022}, note = {}, booktitle = {Metropolitan Research}, pages = {9--14}, edition = {1}, author = {Gurr, Jens Martin and Hardt, Dennis and Parr, Rolf}, publisher = {transcript}, address = {Bielefeld}, series = {Urban Studies}, volume = {0} }