@book{BuderDresslerGewandetal.2004,
  author    = {Margret Buder and Jutta Dreßler and Ulrich Gewand and Klaus Kaden and Norbert L{\"u}dtke and Dieter Richter and J{\"u}rgen Vogt and Gudrun Weinert},
  title     = {Geografie : Hauptband Klasse 7 ; Ausgabe Sachsen},
  editor    = {Elmar Kulke and Dieter Richter},
  isbn      = {3-06-040792-4},
  year      = {2004},
}