@conference{8190,
  author = {Mitchell Begelman},
  title = {Accretion Disks in Active Galactic Nuclei},
  year = {1985},
  journal = {unknown},
  publisher = {Mill Valley, CA, University Science Books},
  url = {http://articles.adsabs.harvard.edu/full/1985aagq.conf..411B},
  note = {JILA Pub. 3003},
}