@book{9783865962270,
  title = {Exploratio Danubiae},
  author = {Heinrich Konen,Florian Wolfgang Himmler,Josef Löffl},
  publisher = {Frank \& Timme},
  year = {2009},
  edition = {1},
  series = {Region im Umbruch},
  volume = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/exploratio\_danubiae}
}