@misc{indiciae3c4cef1454d0,
  title = {Instruments for motion measurement using laser Doppler heterodyning techniques.},
  author = {Lewis, R. D. and Watson, H. J. and Watson, R. C., Jr.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690059015},
  note = {Source identifier: 19690059015}
}