@misc{indiciae6553c6fba140,
  title = {Gamma-ray spectrometer experiment},
  author = {Arnold, J. R. and Peterson, L. E. and Metzger, A. E. and Trombka, J. I.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720015180},
  note = {Source identifier: 19720015180}
}