@book{Goertemaker2002,
  author    = {G{\"o}rtemaker, Manfred},
  title     = {Kleine Geschichte der Bundesrepublik Deutschland},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {3-406-49538-9},
  pages     = {413 S. : Ill.},
  year      = {2002},
  language  = {de}
}
@book{Goertemaker2002,
  author    = {G{\"o}rtemaker, Manfred},
  title     = {Geschichte Europas 1850 - 1918},
  publisher = {Kohlhammer},
  address   = {Stuttgart},
  isbn      = {3-17-014446-4},
  pages     = {298 S.},
  year      = {2002},
  language  = {de}
}