@misc{indiciaedc7dd24d0900,
  title = {Deriving a geocentric reference frame for satellite positioning and navigation},
  author = {Malla, R. P. and Wu, S.-C.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890010959},
  note = {Source identifier: 19890010959}
}