@book{GrassmannKlunterKoehleretal.2008,
  author    = {Marianne Grassmann and Martina Klunter and Egon K{\"o}hler and Elke Mirwald and Monika Raudies and Oliver Thiel},
  title     = {Kinder wissen viel - auch {\"u}ber die Gr{\"o}ße Geld? : Teil 3},
  isbn      = {978-3-940793-10-2},
  year      = {2008},
}