@incollection{Weizsaecker1999,
  author    = {Weizs{\"a}cker, Ernst U. von},
  title     = {{\"O}kologie, {\"O}konomie und Politik},
  booktitle = {Jahrbuch {\"O}kologie 2000},
  editor    = {Altner, G{\"u}nter},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  pages     = {38 -- 42},
  year      = {1999},
  language  = {de}
}