@book{978-3-7329-0980-3,
  title = {Deutsch im Fokus},
  author = {Christa Dürscheid},
  publisher = {Frank \& Timme},
  year = {2023},
  edition = {1},
  series = {Sprachwissenschaft},
  volume = {59},
  url = {https://www.frank-timme.de/en/programme/product/deutsch-im-fokus}
}