@misc{indiciaec6035516ec85,
  title = {Split-Block Waveguide Polarization Twist for 220 to 325 GHz},
  author = {Ward, John and Chattopadhyay, Goutam},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20090020486},
  note = {Source identifier: 20090020486}
}