@article{WarrenEllisonBarkovetal.2017,
  author    = {Donald C. Warren and Donald C. Ellison and Maxim V. Barkov and Shigehiro Nagataki},
  title     = {Nonlinear Particle Acceleration and Thermal Particles in GRB Afterglows},
  journal   = {The astrophysical journal : an international review of spectroscopy and astronomical physics},
  volume    = {835},
  number    = {2},
  doi       = {10.3847/1538-4357/aa56c3},
  year      = {2017},
}