@misc{indiciae4e6ec01dc386,
  title = {Mars gravity field via the short data arcs},
  author = {Sjogren, W. L. and Lorell, J. and Reinbold, S. J. and Wimberly, R. N.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730023974},
  note = {Source identifier: 19730023974}
}