@misc{indiciae20a0a6958dc1,
  title = {Spectral Analysis Program (SAP)},
  author = {Detchmendy, D. M. and Hayden, W. L.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730000227},
  note = {Source identifier: 19730000227}
}