@incollection{Kuenzell2019,
  author    = {Stefan K{\"u}nzell},
  title     = {Klettern},
  booktitle = {Grundschulsport und neue Sportarten},
  editor    = {G{\"u}nter K{\"o}ppe and J{\"u}rgen Schwier},
  isbn      = {3896763687},
  year      = {2019},
}