@article{Pohl2021,
  author    = {Martin Pohl},
  title     = {Time-dependent treatment of cosmic-ray spectral steepening due to turbulence driving},
  journal   = {The astrophysical journal : an international review of spectroscopy and astronomical physics},
  volume    = {921},
  number    = {2},
  doi       = {10.3847/1538-4357/ac21cf},
  year      = {2021},
}