@misc{indiciae553cc3a140de,
  title = {Breaking the Delta Z Barrier in Geocenter Estimation},
  author = {Malla, R. and Wu, S. and Lichten, S. and Vigue, Y.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060039317},
  note = {Source identifier: 20060039317}
}