@article{Engel1979,
  author    = {Ulrich Engel},
  title     = {Linguistik - Grammatik - Deutsch als Fremdsprache},
  series   = {Jahrbuch Deutsch als Fremdsprache 1979},
  volume    = {5},
  editor    = {Alois Wierlacher},
  publisher = {Groos},
  address   = {Heidelberg},
  isbn      = {3-87276-203-6},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-6130},
  pages     = {49 -- 66},
  year      = {1979},
  language  = {de}
}