@incollection{ValentinGuertlerSpangenberg1999,
  author    = {Valentin, Anke and G{\"u}rtler, Martin and Spangenberg, Joachim H.},
  title     = {Sustainability and urban policy in Germany : retrospect and prospect},
  booktitle = {Consuming cities : the urban environment in the global economy after the Rio Declaration},
  editor    = {Low, Nicholas},
  publisher = {Routledge},
  address   = {London},
  pages     = {110 -- 130},
  year      = {1999},
  language  = {en}
}