@misc{indiciae768ffd2a4528,
  title = {HIGH-ENERGY GAMMA-RAY ASTRONOMY},
  author = {Cook, C. J. and Fazio, G. G. and Hafner, E. M.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630019331},
  note = {Source identifier: 19630019331}
}