@article{4381,
  author = {Mitchell Begelman and B. Rudak and Marek Sikora},
  title = {Consequences of relativistic proton injection in active galactic nuclei},
  year = {1990},
  journal = {The Astrophysical Journal},
  volume = {362},
  pages = {38},
  month = {10/1990},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1990ApJ...362...38B},
  doi = {10.1086/169241},
}