@article{Luhmann1997,
  author    = {Luhmann, Hans-Jochen},
  title     = {J. Kopfm{\"u}ller (Hrsg.) : Risiko Klima},
  journal   = {Zeitschrift f{\"u}r angewandte Umweltforschung},
  volume    = {10},
  number    = {4},
  pages     = {578 -- 580},
  year      = {1997},
  language  = {de}
}