@misc{indiciae3624423285b6,
  title = {Orbit determination accuracies using satellite-to-satellite tracking},
  author = {Vonbun, F. O. and Argentiero, P. D. and Schmid, P. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780003045},
  note = {Source identifier: 19780003045}
}