@misc{indiciaef77fa8e0b5ac,
  title = {The redshift-magnitude relation for quasi-stellar objects.},
  author = {Burbidge, G. R. and O'Dell, S. L.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730053705},
  note = {Source identifier: 19730053705}
}