@misc{indiciae784b9001a200,
  title = {Abundances of refractory elements in quasars},
  author = {Gaskell, C. M. and Wampler, E. J. and Shields, G. A.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820031595},
  note = {Source identifier: 19820031595}
}