@incollection{Luhmann2012,
  author    = {Luhmann, Hans-Jochen},
  title     = {The sustainable economy today : from a development policy standpoint},
  booktitle = {On the road to sustainable development : how to reconcile climate protection and economic growth},
  editor    = {Kofler, B{\"a}rbel},
  publisher = {Friedrich-Ebert-Stiftung},
  address   = {Berlin},
  pages     = {17 -- 21},
  year      = {2012},
  language  = {en}
}