@misc{indiciae4f6d30c12ec4,
  title = {Spectral-luminosity evolution of active galactic nuclei (AGN)},
  author = {Leiter, Darryl and Boldt, Elihu},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930045860},
  note = {Source identifier: 19930045860}
}