@misc{indiciaea75145cf75be,
  title = {A picosecond accuracy relativistic VLBI model via Fermi normal coordinates},
  author = {Shahid-Saless, Bahman and Hellings, Ronald W. and Ashby, Neil},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910055829},
  note = {Source identifier: 19910055829}
}