@misc{indiciae6255b03a4a41,
  title = {Tracking and Orbit-Determination Program of the Jet Propulsion Laboratory},
  author = {Carr, Russell E. and Hudson, R. Henry},
  year = {1960},
  url = {https://ntrs.nasa.gov/citations/19630039027},
  note = {Source identifier: 19630039027}
}