@book{GiestSiepmannTyziak1998,
  author    = {Giest, Hartmut and Siepmann, Gerda and Tyziak, Birgit},
  title     = {Rahmenplan Sachunterricht : Allgemeine F{\"o}rderschule},
  publisher = {Wiss.-und-Technik-Verl.},
  address   = {Berlin},
  isbn      = {3-89685-805-X},
  pages     = {38 S.},
  year      = {1998},
  language  = {de}
}