@misc{indiciae9868007c5124,
  title = {Development of a spectral analyzer Progress report, 8 Mar. - 7 Jun. 1969},
  author = {Iberall, A. S.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690020565},
  note = {Source identifier: 19690020565}
}