@misc{indiciaedbeb86225a73,
  title = {Advanced spacecraft tracking techniques using the Tracking and Data Relay Satellite System /TDRSS/},
  author = {Teles, J. and Ayres, C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780047995},
  note = {Source identifier: 19780047995}
}