@misc{indiciaebb5bc8c9fbdd,
  title = {X-ray pulsar in the Crab Nebula.},
  author = {Chubb, T. A. and Friedman, H. and Fritz, G. and Meekins, J. F. and Nenry, R. C.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690050476},
  note = {Source identifier: 19690050476}
}