@article{didtheblackdeathreachthekingdomof,
  title = {Did the Black Death reach the Kingdom of Poland in the middle of the 14th century?},
  author = {Piotr Guzowski},
  year = {2021},
  eprint = {2111.02714},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.02714v1},
}