@misc{indiciae85405bc77104,
  title = {Radial rotating antenna-feed system},
  author = {Dodd, L. R. and Keller, G. C. and Maxwell, M. S.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710000025},
  note = {Source identifier: 19710000025}
}