@misc{indiciae4cdcd9415cc9,
  title = {Galactic center iron line emission},
  author = {Worrall, D. M. and Boldt, E. A. and Holt, S. S. and Pravdo, S. H. and Serlemitsos, P. J.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780024044},
  note = {Source identifier: 19780024044}
}