@misc{indiciaed615d2bad146,
  title = {Gravity field determination for Mars Observer},
  author = {Esposito, Pasquale B. and Demcak, Stuart and Roth, Duane},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900065967},
  note = {Source identifier: 19900065967}
}