@misc{indiciae2472f5b694b0,
  title = {Towards a Future ICRF Realization},
  author = {Ma, Chopo and Gordon, D. and MacMillan, D. and Petrov, L. and Smith, David E.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20020050381},
  note = {Source identifier: 20020050381}
}