@misc{indiciae2d1546545bff,
  title = {X-ray study of superclusters},
  author = {Persic, M. and Jahoda, K. and Boldt, E. and Marshall, F. E. and Mushotzky, R. F.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910031828},
  note = {Source identifier: 19910031828}
}