@misc{indiciae76141e2f4c82,
  title = {The Einstein Slew Survey},
  author = {Elvis, Martin and Plummer, David and Schachter, Jonathan and Fabbiano, G.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920054011},
  note = {Source identifier: 19920054011}
}