@misc{indiciaeaeb646be6432,
  title = {Digital frequency synthesizer for radar astronomy},
  author = {Sadr, R. and Satorius, E. and Robinett, L. and Olson, E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910006638},
  note = {Source identifier: 19910006638}
}