@book{Ersil2011,
  author    = {Ersil, Wilhelm},
  title     = {Eine Wirtschaftsregierung f{\"u}r die Europ{\"a}ische Union},
  series = {Europa Spezial},
  volume    = {1},
  journal   = {Europa Spezial},
  publisher = {WeltTrends e.V},
  address   = {Potsdam},
  isbn      = {978-3-941880-36-8},
  issn      = {2193-6145},
  pages     = {6 S.},
  year      = {2011},
  language  = {de}
}
@book{ElsenhansErsilMatthes2013,
  author    = {Elsenhans, Hartmut and Ersil, Wilhelm and Matthes, Helmut},
  title     = {Die Eu und die Eurokrise},
  series = {WeltTrends Spezial},
  volume    = {10},
  journal   = {WeltTrends Spezial},
  publisher = {Welt Trends e.V},
  address   = {Potsdam},
  isbn      = {978-3-941880-70-2},
  issn      = {2193-0627},
  pages     = {26 S.},
  year      = {2013},
  language  = {de}
}
@book{Ersil2011,
  author    = {Ersil, Wilhelm},
  title     = {Eine Wirtschaftsregierung f{\"u}r die Europ{\"a}ische Union},
  series = {WeltTrends Spezial},
  volume    = {2},
  journal   = {WeltTrends Spezial},
  publisher = {Welttrends},
  address   = {Potsdam},
  issn      = {2193-0627},
  pages     = {6},
  year      = {2011},
  language  = {de}
}