@article{9082,
  author = {Klaus-Dieter Fritz},
  title = {Synchrotron emission spectra from shockwaves in active galactic nuclei: An energy and space dependent diffusion coefficient},
  year = {1988},
  journal = {Astronomy and Astrophysics},
  volume = {214},
  pages = {14-28},
  url = {http://articles.adsabs.harvard.edu/full/1989A\%26A...214...14F},
  note = {JILA Pub. 3907},
}