@misc{indiciaebd23e4e6e707,
  title = {Conical scan tracking system employing a large antenna},
  author = {Ohlson, J. E. and Reid, M. S.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790005043},
  note = {Source identifier: 19790005043}
}