@misc{indiciae29e135d1c5ac,
  title = {Implications of Lyman-alpha equivalent widths in active galactic nuclei},
  author = {Shields, Joseph C. and Ferland, Gary J.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930037587},
  note = {Source identifier: 19930037587}
}