@conference{4679,
  author = {Mitchell Begelman and J. Krolik},
  title = {High resolution imaging of compact phenomena},
  year = {1991},
  journal = {unknown},
  publisher = {Pasadena, Calif. : Jet Propulsion Laboratory, California Institute of Technology},
  address = {Washington, D.C. : National Aeronautics and Space Administration},
  note = {JILA Pub. 4600},
}