@misc{indiciae760384efc4f8,
  title = {The X-ray background contributed by QSOs ejected from galaxies},
  author = {Burbidge, G. and Hoyle, F.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970024609},
  note = {Source identifier: 19970024609}
}