@misc{indiciaeb2f42173a4d4,
  title = {Modeling issues in precision orbit determination for Mars orbiter},
  author = {Lemoine, Frank G. and Rosborough, George W. and Smith, David E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900065969},
  note = {Source identifier: 19900065969}
}