@misc{indiciae2236fcf33ab3,
  title = {The HEAO 3 gamma-ray spectrometer},
  author = {Mahoney, W. A. and Ling, J. C. and Jacobson, A. S. and Tapphorn, R. M.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810039568},
  note = {Source identifier: 19810039568}
}