@misc{LonnemannHasselhorn2020,
  author    = {Jan Lonnemann and Marcus Hasselhorn},
  title     = {Fr{\"u}he mathematische Bildung},
  booktitle = {Postprints der Universit{\"a}t Potsdam : Humanwissenschaftliche Reihe},
  number    = {636},
  issn      = {1866-8364},
  doi       = {10.25932/publishup-44148},
  institution = {Humanwissenschaftliche Fakult{\"a}t},
  series    = {Zweitver{\"o}ffentlichungen der Universit{\"a}t Potsdam : Humanwissenschaftliche Reihe},
  number    = {636},
  type      = {postprint},
  pages     = {129 -- 134},
  year        = {2020},
}