@misc{indiciae5b4a50a0b7fe,
  title = {X-ray constraints on large scale clustering},
  author = {De Zotti, G. and Persic, M. and Boldt, E. A. and Marshall, F. E. and Danese, L.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890064052},
  note = {Source identifier: 19890064052}
}