@misc{Frank2017,
  author    = {Dirk Frank},
  title     = {Outdoor-Mathematik : im ERASMUS+-Projekt MoMaTrE entwickeln Didaktiker und Studierende gemeinsam Math Trails},
  booktitle = {UniReport / Goethe-Universit{\"a}t Frankfurt},
  volume    = {50},
  number    = {5},
  institution = {Mathematik},
  type      = {contributiontoperiodical},
  pages     = {19 -- 19},
  year        = {2017},
}