@techreport{Welfens2008,
  author    = {Welfens, Maria J.},
  title     = {Klimaszenarien : Methoden und Kenntnisse},
  institution = {Bundeszentrale f{\"u}r Politische Bildung},
  address   = {Bonn},
  year      = {2008},
  language  = {de}
}