@article{1970Papierwki,
  author       = {},
  title        = {Papierówki – Papieräpfel},
  howpublished = {\url{https://www.copernico.eu/de/link/626fe6ca40d5c9.21951076}},
  publisher    = {Herder-Institut für historische Ostmitteleuropaforschung - Institut der Leibniz-Gemeinschaft},
  note         = {Online available; accessed at 23/05/2025},
  language     = {de},
  year         = {1970},
  month        = {},
}