@book{itb2131,
  editor = {Grollmann, Philipp and Rauner, Felix},
  title = {Handbuch Berufsbildungsforschung, 3. Auflage},
  year = {2018},
  publisher = {W. Bertelsmann Verlag GmbH \& Co. KG},
  address = {Bielefeld},
}