@incollection{Kiyar2019, author = {Kiyar, Dagmar}, title = {Energiewirtschaft im Ruhrgebiet}, booktitle = {Die Stadt der St{\"a}dte : das Ruhrgebiet und seine Umbr{\"u}che}, editor = {Farrenkopf, Michael}, publisher = {Klartext-Verlag}, address = {Essen}, pages = {190 -- 193}, year = {2019}, language = {de} }