@misc{indiciaec68f0e681b38,
  title = {Multi-feed cone Cassegrain antenna Patent},
  author = {Katow, M. S. and Levy, G. S. and Stelzried, C. T.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710001810},
  note = {Source identifier: 19710001810}
}