@misc{indiciaecc17f7ce88f8,
  title = {Apollo spacecraft systems analysis program. A comparison of the computed LR received signal spectrum and the 1967 PEARL data},
  author = {Chambers, D. E.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690007630},
  note = {Source identifier: 19690007630}
}