@article{DZMTeam2026Crossing,
  author       = {DZM-Team},
  title        = {Crossing the Iron Curtain in an “Ulm Box”},
  howpublished = {\url{https://www.copernico.eu/en/link/6a10256e2f4e18.51617595}},
  publisher    = {Herder-Institut für historische Ostmitteleuropaforschung - Institut der Leibniz-Gemeinschaft},
  note         = {Online available; accessed at 06/09/2026},
  language     = {en},
  year         = {2026},
  month        = {may},
}