@misc{indiciae921bbd7b1f44,
  title = {Mars Gravity Field Model Development from Mars Global Surveyor Tracking Data},
  author = {Lemoine, F. G. and Zuber, M. T.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20000025029},
  note = {Source identifier: 20000025029}
}