@misc{indiciaed36dc62c5143,
  title = {Omnidirectional microwave spacecraft antenna Patent},
  author = {Croswell, W. F. and Gilreath, M. C.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19710013412},
  note = {Source identifier: 19710013412}
}