@incollection{itb2387,
  author = {Howe, Falk and Gessler, Michael},
  editor = {F. Rauner \& P. Grollmann},
  title = {Lern- und Arbeitsaufgaben},
  year = {2018},
  booktitle = {Handbuch Berufsbildungsforschung, 3. Auflage},
  pages = {486–494},
  publisher = {W. Bertelsmann},
}