@misc{indiciae4b408aa23d26,
  title = {Observations of cosmic X-rays.},
  author = {Acton, L. W. and Fisher, P. C. and Johnson, H. M. and Jordan, W. C. and Meyerott, A. J.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660041119},
  note = {Source identifier: 19660041119}
}