@misc{indiciae27a32ea41c8d,
  title = {Mars Gravity Field From Dual Satellite Observations},
  author = {Sjogren, W.L. and Demcak, S.W. and Konopliv, A.S. and Vijayaraghavan, A.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20210004386},
  note = {Source identifier: 20210004386}
}