@book{BuderKadenSchmidtetal.2002,
  author    = {Buder, Margret and Kaden, Klaus and Schmidt, Almut and Ziege, Cornelia},
  title     = {Rahmenlehrplan Geografie : Sekundarstufe 1},
  publisher = {Dr. und Technik-Verl.},
  address   = {Berlin},
  isbn      = {3-89685-838-6},
  pages     = {73 S.},
  year      = {2002},
  language  = {de}
}