@misc{indiciae96c0ef69d8b9,
  title = {Improved accuracies for satellite tracking},
  author = {Kammeyer, P. C. and Fiala, A. D. and Seidelmann, P. K.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920004868},
  note = {Source identifier: 19920004868}
}