@book{9783896931245,
  title = {Bertolt Brechts Lyrik},
  author = {Franz N Mennemeier},
  publisher = {Frank \& Timme},
  year = {1998},
  edition = {2},
  url = {https://www.frank-timme.de/de/programm/produkt/bertolt\_brechts\_lyrik}
}