@inproceedings{Diurba:2021wx,
  author = "Diurba, Richard",
  title = "{Purity monitoring for ProtoDUNE}",
  doi = "10.22323/1.390.0198",
  booktitle = "Proceedings of 40th International Conference on High Energy physics {\textemdash} PoS(ICHEP2020)",
  year = 2021,
  volume = "390",
  pages = "198"
}