@misc{indiciae5d1c110c76fa,
  title = {Low-Gain Circularly Polarized Antenna with Torus-Shaped Pattern},
  author = {Amaro, Luis R. and Kruid, Ronald C. and Vacchione, Joseph D. and Prata, Aluizio},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120016278},
  note = {Source identifier: 20120016278}
}