@misc{indiciae55c4a127dca9,
  title = {A medium sensitivity X-ray survey using the Einstein Observatory - The log N-log S relation for extragalactic X-ray sources},
  author = {Maccacaro, T. and Gioia, I. M. and Zamorani, G. and Feigelson, E. D. and Fener, M. and Giacconi, R. and Griffiths, R. E. and Murray, S. S. and Stocke, J. and Liebert, J.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820043746},
  note = {Source identifier: 19820043746}
}