@misc{indiciae156b01af6e3d,
  title = {Evidence for a highly compact X-ray source},
  author = {Bowyer, S. and Cruddace, R. and Lampton, M. and Margon, B.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710062379},
  note = {Source identifier: 19710062379}
}