@article{Motzer2019,
  author    = {Renate Motzer},
  title     = {Die dritte binomische Formel, entdeckt von einer 4. Klasse},
  journal   = {Grundschulmagazin},
  volume    = {2008},
  number    = {4},
  pages     = {39 -- 42},
  year      = {2019},
}