@misc{indiciaeddbf5e7b8c7d,
  title = {A prototype DSN X-S band feed: DSS 13 application status, second report},
  author = {Williams, W. F.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790003941},
  note = {Source identifier: 19790003941}
}