@article{DZMTeam1970Down,
  author       = {DZM-Team},
  title        = {Down the Danube in the Ulm Box},
  howpublished = {\url{https://www.copernico.eu/en/link/60426c98a2f959.28996293}},
  publisher    = {Herder-Institut für historische Ostmitteleuropaforschung - Institut der Leibniz-Gemeinschaft},
  note         = {Online available; accessed at 13/07/2025},
  language     = {en},
  year         = {1970},
  month        = {},
}