@misc{indiciae5d8d9c0302f2,
  title = {Observational result on X-rays.},
  author = {Clark, D. B. and Fisher, P. C. and Meyerott, A. J. and Smith, K. L.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660041812},
  note = {Source identifier: 19660041812}
}