@misc{indiciaeaf1fcc797ede,
  title = {GSFC VLBI Analysis Center},
  author = {Gordon, David and Ma, Chopo and Petrov, Leonid and MacMillan, Dan},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020023021},
  note = {Source identifier: 20020023021}
}