@misc{indiciaed51622d5f1db,
  title = {Doppler experiments with Cassini radio system},
  author = {Comoretto, G. and Bertotti, B. and Iess, L. and Ambrosini, R.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930057156},
  note = {Source identifier: 19930057156}
}