@article{Naujokat2009,
  author    = {Anke Naujokat},
  title     = {Aachen: Grau Blau Gr{\"u}n : der Emscher Landschaftspark},
  journal   = {Bauwelt. 96 (2005), H. 29},
  pages     = {3},
  year      = {2009},
}