@book{9783896935274,
  title = {Argumentative Verteidigung},
  author = {Michael J Hoppmann},
  editor = {Joachim Knape},
  publisher = {Frank \& Timme},
  year = {2008},
  edition = {1},
  series = {Neue Rhetorik},
  volume = {5},
  url = {https://www.frank-timme.de/de/programm/produkt/argumentative\_verteidigung}
}