@article{JannWegrich2004,
  author    = {Jann, Werner and Wegrich, Kai},
  title     = {Governance und Verwaltungspolitik},
  isbn      = {3-8100-3946-2},
  year      = {2004},
  language  = {de}
}
@article{Wegrich2004,
  author    = {Wegrich, Kai},
  title     = {Implementing public policy : Governance in theory and practice},
  issn      = {0140-2382},
  year      = {2004},
  language  = {en}
}