@book{SchulteZurhausen2005,
  author    = {Schulte-Zurhausen, Manfred},
  title     = {Organisation. - 4., {\"u}berarb. und erw. Aufl.},
  publisher = {Vahlen},
  address   = {M{\"u}nchen},
  isbn      = {3-8006-3205-5},
  pages     = {XVI, 620 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die angewandte Wirtschaftsmathematik. 12., vollst. {\"u}berarb. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-11164-X},
  pages     = {XVI, 566 S. : 500 Abb. u. 1300 {\"U}bungsaufg.},
  year      = {2005},
  language  = {de}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur angewandten Wirtschaftsmathematik : Aufgaben, Testklausuren und L{\"o}sungen . 5., erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-528-43146-6},
  pages     = {VIII, 326 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{SchneiderSchneider2005,
  author    = {Schneider, Bettina and Schneider, Wilhelm},
  title     = {Jahresabschluss und Jahresabschlussanalyse. 2. Aufl.},
  publisher = {Cuvillier},
  address   = {G{\"o}ttingen},
  pages     = {LXV S., [ca. 200] Bl.},
  year      = {2005},
  language  = {de}
}
@book{MackensteinMarsch2005,
  author    = {Mackenstein, Hans and Marsch, Steve},
  title     = {The international relations of the European Union / by Steve Marsh and Hans Mackenstein},
  publisher = {Pearson Education},
  address   = {Harlow [u.a.]},
  isbn      = {0-582-47293-8},
  pages     = {XX, 305 S.},
  year      = {2005},
  language  = {en}
}
@book{Tietze2005,
  author    = {Tietze, J{\"u}rgen},
  title     = {{\"U}bungsbuch zur Finanzmathematik. Aufgaben, Testklausuren und L{\"o}sungen. 4., verb. u. erw. Aufl.},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  isbn      = {3-8348-0030-9},
  pages     = {XII, 410 S. : graph. Darst.},
  year      = {2005},
  language  = {de}
}