@misc{indiciae1c537f8d13fa,
  title = {Pulsars and X-ray-emitting supernova remnants},
  author = {Holt, S. S. and Ramaty, R.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700002716},
  note = {Source identifier: 19700002716}
}