@misc{indiciae8935c3f4dfd0,
  title = {Astronomy: Feeding the first quasars.},
  author = {Laura Ferrarese},
  year = {2003},
  doi = {10.1038/421329a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12540887/},
  note = {Source identifier: 12540887}
}