@misc{indiciae780602a000cb,
  title = {Theoretical error analysis of a Doppler range-rate and phase-modulated range tracking system},
  author = {Bures, K. J. and Smith, G. L.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680002045},
  note = {Source identifier: 19680002045}
}