@misc{indiciae70ce52db1c94,
  title = {Electron-positron Annihilation and the Cosmic X-ray Background},
  author = {Kazanas, D. and Shafer, R. A.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830019664},
  note = {Source identifier: 19830019664}
}