@misc{indiciaefe622ce74be1,
  title = {Computing Resonances Of Waveguide-To-Microstrip Transitions},
  author = {Ponchak, George E. and Downey, Alan N.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890000212},
  note = {Source identifier: 19890000212}
}