@article{Riordan:2020pK,
  author = "Riordan, John Daniel  and  Pe'er, Asaf",
  title = "{Pitch-Angle Diffusion And Bohm-Type Approximations In Diffusive Shock Acceleration}",
  doi = "10.22323/1.354.0058",
  journal = "PoS",
  year = 2020,
  volume = "HEPRO VII",
  pages = "058"
}