@inproceedings{Zarnecki:20203X,
  author = "Zarnecki, Aleksander Filip",
  title = "{Limits on contact interactions and leptoquarks at HERA}",
  doi = "10.22323/1.364.0551",
  booktitle = "Proceedings of European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2019)",
  year = 2020,
  volume = "364",
  pages = "551"
}