@misc{indiciae67db8fb86727,
  title = {The Apollo X-ray fluorescence spectrometer},
  author = {Jagoda, N. and Kubierschky, K. and Frank, R. and Bjorkholm, P. and Gray, P.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740043157},
  note = {Source identifier: 19740043157}
}