@misc{32091,
  author       = {{Häsel-Weide, Uta and Nührenbörger, M. and Reinold, M.}},
  isbn         = {{978-3122009946}},
  pages        = {{80}},
  publisher    = {{Klett}},
  title        = {{{Das Zahlenbuch 4. Förderheft}}},
  year         = {{2019}},
}