@book{EngelKrummWierlacheretal.2014,
  author    = {Ulrich Engel and Hans-J{\"u}rgen Krumm and Alois Wierlacher and Wolf Dieter Ortmann},
  title     = {Mannheimer Gutachten zu ausgew{\"a}hlten Lehrwerken Deutsch als Fremdsprache: Band 2},
  edition   = {2. Auflage},
  publisher = {Groos},
  address   = {Heidelberg},
  isbn      = {3-87276-206-0},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-30201},
  pages     = {192},
  year      = {2014},
  language  = {de}
}