@book{GoertemakerHoltmannIsmayretal.2009,
  author    = {Manfred G{\"o}rtemaker and Everhard Holtmann and Wolfgang Ismayr and Michael Cullen and Volker Wagner},
  title     = {Das deutsche Parlament},
  isbn      = {978-3-86649-280-6},
  year      = {2009},
}