@incollection{HoeppnerovaEhrenmueller2021,
  author    = {Věra H{\"o}ppnerov{\´a} and J{\"u}rgen Ehrenm{\"u}ller},
  title     = {Einf{\"u}hrung [Experimentierr{\"a}ume in der DaF-Didaktik]},
  booktitle = {Experimentierr{\"a}ume in der DaF-Didaktik / J{\"u}rgen Ehrenm{\"u}ller, Věra H{\"o}ppnerov{\´a} (Hrsg.)},
  isbn      = {978-80-261-0919-8},
  year      = {2021},
}