@book{BuderDresslerKadenetal.2004,
  author    = {Margret Buder and Jutta Dreßler and Klaus Kaden and Elmar Kulke and Norbert L{\"u}dke and Dieter Richter and J{\"u}rgen Vogt},
  title     = {Geografie : Hauptband Klasse 9/10 ; Ausgabe Brandenburg},
  isbn      = {3-06-040953-6},
  year      = {2004},
}