@misc{indiciaeda981d33fafb,
  title = {A coded aperture gamma ray telescope},
  author = {Mcconnell, M. L. and Forrest, D. J. and Chupp, E. L. and Dunphy, P. P.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820042577},
  note = {Source identifier: 19820042577}
}