@article{Bell:2022eh,
  author = "Bell, Guido  and  Brune, Kevin  and  Das, Goutam  and  Wald, Marcel",
  title = "{Automated Calculation of Beam Functions at NNLO}",
  doi = "10.22323/1.416.0026",
  journal = "PoS",
  year = 2022,
  volume = "LL2022",
  pages = "026"
}