@misc{indiciaee5f4066f4004,
  title = {Users Guide to the JPL Doppler Gravity Database},
  author = {Muller, P. M. and Sjogren, W. L.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860023737},
  note = {Source identifier: 19860023737}
}