@misc{indiciaef0f71a6dbd61,
  title = {Spacecraft Doppler tracking with a VLBI antenna},
  author = {Comoretto, G. and Iess, L. and Bertotti, B. and Brenkle, J. P. and Horton, T.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910025818},
  note = {Source identifier: 19910025818}
}