@misc{indiciae2007589a35a2,
  title = {Radiation from a parallel-plate waveguide into a dielectric or plasma layer.},
  author = {Kostelnicek, R. J. and Mittra, R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720035068},
  note = {Source identifier: 19720035068}
}