@book{13139,
  editor       = {{Rezat, Sebastian and Fan, Lianghuo and Hattermann, Mathias and Schumacher, Jan and Wuschke, Holger}},
  location     = {{Paderborn}},
  pages        = {{392}},
  publisher    = {{Universitätsbibliothek Paderborn}},
  title        = {{{Proceedings of the Third International Conference on Mathematics Textbook Research and Development: 16-19 September 2019 Paderborn, Germany}}},
  doi          = {{10.17619/UNIPB/1-768}},
  year         = {{2019}},
}