@book{9783732904136,
  title = {Rechenknecht und Zauberlehrling},
  author = {Norbert Geiss},
  publisher = {Frank \& Timme},
  year = {2017},
  edition = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/rechenknecht\_und\_zauberlehrling}
}