@book{OPUS4-34094,
  title     = {Studien zum europ{\"a}ischen Privatrecht und zur Rechtsvergleichung},
  editor    = {Schulze, G{\"o}tz and Freitag, Robert and Gebauer, Martin},
  publisher = {Jenaer Verlagsgesell.},
  address   = {Jena},
  year      = {2013},
  language  = {de}
}
@book{Schmidt2013,
  author    = {Schmidt, Thorsten Ingo},
  title     = {Staatsrecht},
  series = {Pr{\"u}fe dein Wissen},
  volume    = {31},
  journal   = {Pr{\"u}fe dein Wissen},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-63907-4},
  pages     = {339 S.},
  year      = {2013},
  language  = {de}
}
@book{ZimmermannSchuetteSener2013,
  author    = {Zimmermann, Andreas and Sch{\"u}tte, Janine and Sener, Meltem},
  title     = {Deutsche zweiter Klasse? Eine verfassungs-, europa- und v{\"o}lkerrechtliche Analyse der Optionsregelung nach \S\S 29/40b Staatsangeh{\"o}rigkeitsgesetz},
  publisher = {Dt. Inst. f{\"u}r Menschenrechte},
  address   = {Berlin},
  isbn      = {978-3-942315-83-8},
  pages     = {63 S.},
  year      = {2013},
  language  = {de}
}
@book{MusilBurchard2013,
  author    = {Musil, Andreas and Burchard, Daniel},
  title     = {Klausurenkurs im Europarecht},
  series = {Schwerpunkt Klausurenkurs},
  journal   = {Schwerpunkt Klausurenkurs},
  edition   = {3. neu bearb. Aufl.},
  publisher = {M{\"u}ller},
  address   = {Heidelberg},
  isbn      = {978-3-8114-9322-3},
  pages     = {427},
  year      = {2013},
  language  = {de}
}