@misc{indiciae3bb51815c0ce,
  title = {The thin film microwave iris},
  author = {Ramey, R. L. and Landes, H. S. and Manus, E. A.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720000547},
  note = {Source identifier: 19720000547}
}