@book{9783896931177,
  title = {Bertolt Brecht 1898-1956},
  editor = {Walter Delabar,Jörg Döring,Hans G Roloff},
  publisher = {Frank \& Timme},
  year = {1998},
  edition = {1},
  series = {Memoria},
  volume = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/bertolt\_brecht\_1898-1956}
}