@article{Caprioli:20199Q,
  author = "Caprioli, Damiano  and  Haggerty, Colby",
  title = "{The Issue with Diffusive Shock Acceleration}",
  doi = "10.22323/1.358.0209",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "209"
}