@incollection{Schwark2018,
  author    = {J{\"u}rgen Schwark},
  title     = {Sport und Tourismus},
  booktitle = {Vom Kohlenpott zur Metropole Ruhr},
  editor    = {Rainer Henselowsky},
  isbn      = {978-3-9811598-0-6},
  year      = {2018},
}