@article{9260,
  author = {Marek Sikora and Mitchell Begelman and B. Rudak},
  title = {Relativistic neutrons in active galactic nuclei},
  year = {1989},
  journal = {The Astrophysical Journal},
  volume = {341},
  pages = {L33},
  month = {06/1989},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1989ApJ...341L..33S},
  doi = {10.1086/185451},
}