@misc{indiciae4fcdf37f93d7,
  title = {Interferometric tracking system for the tracking and data relay satellite},
  author = {Effland, John E. and Knight, Curtis A. and Webber, John C.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930020028},
  note = {Source identifier: 19930020028}
}